diff --git a/app/controllers/log_controller.rb b/app/controllers/log_controller.rb
index b6dfd68..6c1700c 100644
--- a/app/controllers/log_controller.rb
+++ b/app/controllers/log_controller.rb
@@ -20,9 +20,9 @@ class LogController < ApplicationController
 
 	def index
 		if @course
-			@log_entries = @course.log_entries.find(:all, :limit => 50) #.paginate(:page => params[:page], :per_page => 30)
+			@log_entries = @course.log_entries.paginate(:page => params[:page], :per_page => 30)
 		else
-			@log_entries = LogEntry.find(:all, :limit => 50, :order => 'created_at desc')
+			@log_entries = LogEntry.paginate(:page => params[:page], :per_page => 30) 
 		end
 
 		respond_to do |format|
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 28f483f..247d68c 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -21,11 +21,11 @@ class UsersController < ApplicationController
 	before_filter :require_admin, :only => [ :edit, :update, :destroy ]
 
 	def index
-		@users = User.find(:all, :order => 'name')
+		@users = User.paginate(:page => params[:page], :per_page => 20, :order => 'last_seen')
 
 		respond_to do |format|
 			format.html
-			format.xml { render :xml => @users }
+			format.xml { render :xml => User.find(:all) }
 		end
 	end
 
@@ -101,7 +101,7 @@ class UsersController < ApplicationController
 				flash[:message] = 'Welcome back, {u}'[:login_success, @user.login]
 				redirect_to_stored
 			else
-				flash[:warning] = 'Login failed'
+				flash[:warning] = 'Login failed'[]
 			end
 		end
 	end
@@ -116,11 +116,11 @@ class UsersController < ApplicationController
 		@news = []
 		@events = []
 		
-		if params[:format] == 'html'
+		if params[:secret]
+			@user = User.find_by_secret(params[:secret])
+		else
 			return require_login unless logged_in?
 			@user = @current_user
-		else
-			@user = User.find_by_secret(params[:secret])
 		end
 
 		unless @user.courses.empty?
@@ -163,19 +163,6 @@ class UsersController < ApplicationController
 		end
 	end
 
-#	def forgot_password
-#		if request.post?
-#			u = User.find_by_email(params[:user][:email])
-#			if u and u.send_new_password
-#				flash[:message] = "Uma nova senha foi enviada para o seu email."
-#				redirect_to :action=>'login'
-#			else
-#				flash[:warning] = "Não foi possível gerar uma nova senha."
-#			end
-#		end
-#	end
-
-	#Funções do Fórum
 	protected
 	def find_user
 		params[:id] = User.find_by_login(params[:id]).id if params[:id] and !params[:id].is_numeric?
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index ab2325b..f6d3324 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -76,7 +76,7 @@ module ApplicationHelper
     end
 
 	def gravatar_url_for(email, size=80)
-		"http://www.gravatar.com/avatar.php?gravatar_id=#{Digest::MD5.hexdigest(email)}&size=#{size}&default=#{App.default_avatar}"
+		"http://www.gravatar.com/avatar.php?gravatar_id=#{Digest::MD5.hexdigest(email)}&size=#{size}&default=#{App.default_avatar}_#{size}.png"
 	end
 
 	def action_icon(action_name, description, options = {}, html_options = {})
diff --git a/app/models/log_entry.rb b/app/models/log_entry.rb
index f2fa95b..3baac3c 100644
--- a/app/models/log_entry.rb
+++ b/app/models/log_entry.rb
@@ -41,7 +41,7 @@ class LogEntry < ActiveRecord::Base
 	end
 end
 
-require 'log_entry/attachment_log_entry.rb'
-require 'log_entry/event_log_entry.rb'
-require 'log_entry/news_log_entry.rb'
-require 'log_entry/wiki_log_entry.rb'
+load 'log_entry/attachment_log_entry.rb'
+load 'log_entry/event_log_entry.rb'
+load 'log_entry/news_log_entry.rb'
+load 'log_entry/wiki_log_entry.rb'
diff --git a/app/views/courses/_right_panel.html.haml b/app/views/courses/_right_panel.html.haml
index f768643..83f356d 100644
--- a/app/views/courses/_right_panel.html.haml
+++ b/app/views/courses/_right_panel.html.haml
@@ -1,3 +1,3 @@
 -# cache(course_path(@course.id, :part => :right)) do
 = render :file => 'widgets/calendario'
-= render :file => 'widgets/news'
+= render :file => 'widgets/users'
diff --git a/app/views/log/_attachment_log_entry.html.haml b/app/views/log/_attachment_log_entry.html.haml
index ce04bdb..8b9e3b1 100644
--- a/app/views/log/_attachment_log_entry.html.haml
+++ b/app/views/log/_attachment_log_entry.html.haml
@@ -1,6 +1,6 @@
-= "Anexo " + link_to(h(entry.attachment.file_name), course_attachment_url(entry.course, entry.attachment))
+= "criou "     if entry.kind_of?(AttachmentCreateLogEntry)
+= "editou "    if entry.kind_of?(AttachmentEditLogEntry)
+= "excluiu "   if entry.kind_of?(AttachmentDeleteLogEntry)
+= "restaurou " if entry.kind_of?(AttachmentRestoreLogEntry)
 
-= "criado "     if entry.kind_of?(AttachmentCreateLogEntry)
-= "editado "    if entry.kind_of?(AttachmentEditLogEntry)
-= "excluído "   if entry.kind_of?(AttachmentDeleteLogEntry)
-= "restaurado " if entry.kind_of?(AttachmentRestoreLogEntry)
+= "o anexo " + link_to(h(entry.attachment.file_name), course_attachment_url(entry.course, entry.attachment))
diff --git a/app/views/log/_event_log_entry.html.haml b/app/views/log/_event_log_entry.html.haml
index 9b5934b..3a99317 100644
--- a/app/views/log/_event_log_entry.html.haml
+++ b/app/views/log/_event_log_entry.html.haml
@@ -1,6 +1,6 @@
-= "Evento " + link_to(h(entry.event.title), course_event_url(entry.course, entry.event, :version => entry.version))
+= "criou "     if entry.kind_of?(EventCreateLogEntry)
+= "editou "    if entry.kind_of?(EventEditLogEntry)
+= "excluiu "   if entry.kind_of?(EventDeleteLogEntry)
+= "restaurou " if entry.kind_of?(EventRestoreLogEntry)
 
-= "criado "     if entry.kind_of?(EventCreateLogEntry)
-= "editado "    if entry.kind_of?(EventEditLogEntry)
-= "excluído "   if entry.kind_of?(EventDeleteLogEntry)
-= "restaurado " if entry.kind_of?(EventRestoreLogEntry)
+= "o evento " + link_to(h(entry.event.title), course_event_url(entry.course, entry.event, :version => entry.version))
diff --git a/app/views/log/_news_log_entry.html.haml b/app/views/log/_news_log_entry.html.haml
index fa50ade..28f4020 100644
--- a/app/views/log/_news_log_entry.html.haml
+++ b/app/views/log/_news_log_entry.html.haml
@@ -1,6 +1,6 @@
-= "Notícia " + link_to(h(entry.news.title), course_news_instance_url(entry.course, entry.news, :version => entry.version))
+= "criou "     if entry.kind_of?(NewsCreateLogEntry)
+= "editou "    if entry.kind_of?(NewsEditLogEntry)
+= "excluiu "   if entry.kind_of?(NewsDeleteLogEntry)
+= "restaurou " if entry.kind_of?(NewsRestoreLogEntry)
 
-= "criada "     if entry.kind_of?(NewsCreateLogEntry)
-= "editada "    if entry.kind_of?(NewsEditLogEntry)
-= "excluída "   if entry.kind_of?(NewsDeleteLogEntry)
-= "restaurada " if entry.kind_of?(NewsRestoreLogEntry)
+= "a notícia " + link_to(h(entry.news.title), course_news_instance_url(entry.course, entry.news, :version => entry.version))
diff --git a/app/views/log/_wiki_log_entry.html.haml b/app/views/log/_wiki_log_entry.html.haml
index 322c759..9728976 100644
--- a/app/views/log/_wiki_log_entry.html.haml
+++ b/app/views/log/_wiki_log_entry.html.haml
@@ -1,19 +1,21 @@
+= "criou "     if entry.kind_of?(WikiCreateLogEntry)
+= "editou "    if entry.kind_of?(WikiEditLogEntry)
+= "excluiu "   if entry.kind_of?(WikiDeleteLogEntry)
+= "restaurou " if entry.kind_of?(WikiRestoreLogEntry)
+
 - if entry.version
-  = "Página " + link_to(h(entry.wiki_page.title), course_wiki_instance_url(entry.course, entry.wiki_page.id, :version => entry.version))
+  = "a página " + link_to(h(entry.wiki_page.title), course_wiki_instance_url(entry.course, entry.wiki_page.id, :version => entry.version))
 - else
-  = "Página " + link_to(h(entry.wiki_page.title), course_wiki_instance_url(entry.course, entry.wiki_page.id))
+  = "a página " + link_to(h(entry.wiki_page.title), course_wiki_instance_url(entry.course, entry.wiki_page.id))
 
-= "criada "     if entry.kind_of?(WikiCreateLogEntry)
-= "editada "    if entry.kind_of?(WikiEditLogEntry)
-= "excluída "   if entry.kind_of?(WikiDeleteLogEntry)
-= "restaurada " if entry.kind_of?(WikiRestoreLogEntry)
 
 - current_version = entry.wiki_page.versions.find_by_version(entry.version)
-- previous_version = current_version.previous
+- previous_version = current_version.previous if current_version
 
 - if entry.kind_of?(WikiEditLogEntry)
-  - if current_version.description and !current_version.description.empty?
-    = "(<i>#{h(current_version.description)}</i>)"
+  - unless current_version.nil?
+    - if current_version.description and !current_version.description.empty?
+      = "(<i>#{h(current_version.description)}</i>)"
 
   - unless previous_version.nil?
     = "(" + link_to("diff", diff_course_wiki_instance_url(entry.course, entry.wiki_page.id, :from => previous_version.version, :to => entry.version)) + ")" 
diff --git a/app/views/log/index.html.haml b/app/views/log/index.html.haml
index c5b522b..94e4063 100644
--- a/app/views/log/index.html.haml
+++ b/app/views/log/index.html.haml
@@ -4,18 +4,20 @@
 -# if @course
   =# auto_discovery_link_tag :rss, course_log_url(@course.id, :format => :rss)
 
+- @log_entries_by_day = @log_entries.group_by { |l| l.created_at.beginning_of_day }
 .box
-  %table
-    %tr
-      %th Data
-      %th Usuário
-      - unless @course
-        %th Disciplina
-      %th Descrição
-    - @log_entries.each do |entry|
-      %tr
-        %td= tz(entry.created_at).strftime("%d/%m/%y&nbsp;%H:%M:%S")
-        %td= link_to truncate(h(entry.user.display_name), :length => 20), user_url(entry.user.id)
-        - unless @course
-          %td= link_to h(entry.course.short_name), course_url(entry.course)
-        %td= render(:partial => 'log/log_entry', :locals => { :entry => entry })
+  %ul.log_entries
+    - @log_entries_by_day.each do |day, entries|
+      %h3
+        =tz(day).strftime("%d&nbsp;de&nbsp;%B&nbsp;de&nbsp;%Y")
+      - entries.each do |entry|
+        %li
+          .date
+            = tz(entry.created_at).strftime("%H:%M")
+          %img.avatar{:src => gravatar_url_for(entry.user.email, 27)}
+          = "Disciplina " + link_to(h(entry.course.full_name), course_url(entry.course))
+          %br
+          =link_to truncate(h(entry.user.display_name), :length => 20), user_url(entry.user.id)
+          = render(:partial => 'log/log_entry', :locals => { :entry => entry }) 
+
+= will_paginate @log_entries
diff --git a/app/views/stylesheets/wiki.css.erb b/app/views/stylesheets/wiki.css.erb
index 0d1a11f..50aceff 100644
--- a/app/views/stylesheets/wiki.css.erb
+++ b/app/views/stylesheets/wiki.css.erb
@@ -295,7 +295,7 @@ body {
 	border-bottom: 0px solid #ccc;
 }
 
-.widget_news li, .widget_events li, #shoutbox li, #shoutbox {
+.widget_users li, .widget_news li, .widget_events li {
   font-size: 11px;
 }
 
@@ -666,6 +666,14 @@ form dl {
   margin: 5px 18px 0px 0px;
 }
 
+.user_list {
+  list-style: none;
+}
+
+.user_list li {
+  background-image: none;
+}
+
 .card h1 { margin-bottom: 0px; }
 .card p { margin-top: 0px; }
 
@@ -827,7 +835,26 @@ form dt p {
   margin: 9px 0px;
 }
 
+.log_entries .date {
+  float: left;
+  width: 50px;
+  margin: 0px 15px 0px -90px;
+}
+
+.log_entries .avatar {
+  float: left;
+  margin: 0px 0px 0px -40px;
+}
+
+.log_entries * {
+  vertical-align: top;
+  background-image: none !important;
+}
+
+.log_entries li {
+  padding-left: 110px !important;
+}
 
-xbody { background-image: url(<%= App.base_path %>/prototype/line.png); background-repeat: repeat; }
-xhtml * { background-color: transparent !important; }
+/*body { background-image: url(<%= App.base_path %>/prototype/line.png); background-repeat: repeat; }
+html * { background-color: transparent !important; }*/
 
diff --git a/app/views/users/_user.html.haml b/app/views/users/_user.html.haml
index 887021a..b568ec7 100644
--- a/app/views/users/_user.html.haml
+++ b/app/views/users/_user.html.haml
@@ -1 +1,3 @@
-%li= link_to h(user.name), user_path(user)
+%li
+  %img.avatar{:src => gravatar_url_for(user.email, 27)}
+  = link_to h(user.display_name), user_url(user)
diff --git a/app/views/users/dashboard.html.haml b/app/views/users/dashboard.html.haml
index 95bb84f..9a653ea 100644
--- a/app/views/users/dashboard.html.haml
+++ b/app/views/users/dashboard.html.haml
@@ -6,7 +6,7 @@
 .dashboard
   .box
     .cmd
-      =link_to "rss", dashboard_url(:secret => @current_user.secret, :format => 'rss')
+      =link_to "rss", formatted_dashboard_url(:secret => @current_user.secret, :format => 'rss')
     - last_time = nil
 
     %h3 Notícias Recentes
@@ -26,7 +26,7 @@
 
   .box
     .cmd
-      =link_to "ical", dashboard_url(:secret => @current_user.secret, :format => 'ics')
+      =link_to "ical", formatted_dashboard_url(:secret => @current_user.secret, :format => 'ics')
     - last_time = nil
 
     %h3 Próximos Eventos
diff --git a/app/views/users/index.html.haml b/app/views/users/index.html.haml
index baafdfa..7a68aa7 100644
--- a/app/views/users/index.html.haml
+++ b/app/views/users/index.html.haml
@@ -3,5 +3,6 @@
 %h1.title Usuários
 
 .box
-  %ul
+  %ul.user_list
     = render :partial => @users
+  = will_paginate @users
diff --git a/app/views/widgets/_menu_disciplina.html.erb b/app/views/widgets/_menu_disciplina.html.erb
index 27f0fdc..e03a698 100644
--- a/app/views/widgets/_menu_disciplina.html.erb
+++ b/app/views/widgets/_menu_disciplina.html.erb
@@ -3,7 +3,8 @@
 		<h1>Disciplina</h1>
 		<ul>
 			<li><%= link_to "Visão Geral", course_url(@course) %></li>
-			<li><%= link_to "Noticias", course_news_url(@course) %></li>
+			<li><%= link_to "Participantes", course_events_url(@course) %></li>
+			<li><%= link_to "Notícias", course_news_url(@course) %></li>
 			<li><%= link_to "Calendário", course_events_url(@course) %></li>
 			<li><%= link_to "Mudanças recentes", course_log_url(@course) %></li>
 		</ul>
diff --git a/config/application.rb b/config/application.rb
index aa0e1bc..6e1d962 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -3,7 +3,7 @@ App.language = "pt-br"
 App.title = "Wiki UFC"
 App.webmaster_email = "webmaster@wikiufc.gelsol.org"
 
-App.default_host = "wikiufc.gelsol.org"
+App.default_host = "localhost:3000"
 App.base_path = ""
 
 App.current_period = "2009.2"
@@ -16,7 +16,7 @@ App.max_upload_file_size = 5.megabytes
 
 # Tema
 App.default_color = 0
-App.default_avatar = "http://wikiufc.gelsol.org/images/avatar.png"
+App.default_avatar = "http://#{App.default_host}#{App.default_path}/images/avatar"
 App.color_schemes = [
     # Default
     [ "#037", "#069", "#455", "#778" ],
diff --git a/config/environment.rb b/config/environment.rb
index 3a81c9e..a291507 100644
--- a/config/environment.rb
+++ b/config/environment.rb
@@ -5,12 +5,18 @@
 # ENV['RAILS_ENV'] ||= 'production'
 
 # Specifies gem version of Rails to use when vendor/rails is not present
-RAILS_GEM_VERSION = '2.3.2' unless defined? RAILS_GEM_VERSION
+RAILS_GEM_VERSION = '2.3.4' unless defined? RAILS_GEM_VERSION
 
 # Bootstrap the Rails environment, frameworks, and default configuration
 require File.join(File.dirname(__FILE__), 'boot')
 
 Rails::Initializer.run do |config|
+
+  config.to_prepare do
+    load "#{RAILS_ROOT}/app/models/message.rb"
+    load "#{RAILS_ROOT}/app/models/log_entry.rb"
+  end
+
   # Settings in config/environments/* take precedence over those specified here.
   # Application configuration should go into files in config/initializers
   # -- all .rb files in that directory are automatically loaded.
diff --git a/config/initializers/nasty_hacks.rb b/config/initializers/nasty_hacks.rb
index 6d837e8..59e61bc 100644
--- a/config/initializers/nasty_hacks.rb
+++ b/config/initializers/nasty_hacks.rb
@@ -51,6 +51,6 @@ end
 
 # Carrega as classes Message e LogEntry. O lazy loading do Rails gera
 # problemas se voce definir varias classes por arquivos.
-require "#{RAILS_ROOT}/app/models/message.rb"
-require "#{RAILS_ROOT}/app/models/log_entry.rb"
+#require "#{RAILS_ROOT}/app/models/message.rb"
+#require "#{RAILS_ROOT}/app/models/log_entry.rb"
 
diff --git a/config/routes.rb b/config/routes.rb
index a269ab2..5657126 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -57,7 +57,6 @@ ActionController::Routing::Routes.draw do |map|
 	map.with_options :controller => 'log' do |log|
 		log.course_log 'courses/:course_id/log', :action => 'index', :format => 'html'
 		log.undo_course_log 'courses/:course_id/log/:id/undo', :action => 'undo', :format => 'html'
-
 		log.formatted_course_log 'courses/:course_id/log.:format', :action => 'index'
 	end
 
@@ -78,7 +77,7 @@ ActionController::Routing::Routes.draw do |map|
    end
 	
 	# Pagina pessoal
-	map.dashboard '/dashboard', :controller => 'users', :action => 'dashboard', :format => 'html'
+	map.dashboard '/dashboard', :controller => 'users', :action => 'dashboard'
     map.formatted_dashboard '/dashboard/:secret.:format', :controller => 'users', :action => 'dashboard'
 
 	# Stylesheets
diff --git a/lang/pt-br.yml b/lang/pt-br.yml
index e3d2fb7..94de84a 100644
--- a/lang/pt-br.yml
+++ b/lang/pt-br.yml
@@ -39,7 +39,10 @@ recent_changes: Mudanças recentes
 log_about: Mudanças recentes em {disciplina}
 
 undo: Desfazer
+login_failed: Não foi possível fazer login
 login_required: É necessário fazer login para acessar esta área do site
+login_success: Olá, {u}!
+logout_success: Você fez logout
 
 navigation: navegação
 forums: fórums
diff --git a/lib/authentication_system.rb b/lib/authentication_system.rb
index da77e8d..98b6483 100644
--- a/lib/authentication_system.rb
+++ b/lib/authentication_system.rb
@@ -46,8 +46,8 @@ module AuthenticationSystem
 	end
 	
 	def destroy_session
-		session.delete
-		cookies.delete :login_token
+		session.clear
+		cookies.delete(:login_token)
 	end
 
 	def redirect_to_stored
diff --git a/public/images/avatar_27.png b/public/images/avatar_27.png
new file mode 100644
index 0000000..a28543a
Binary files /dev/null and b/public/images/avatar_27.png differ
diff --git a/public/images/avatar.png b/public/images/avatar_80.png
similarity index 100%
rename from public/images/avatar.png
rename to public/images/avatar_80.png
diff --git a/test/functional/courses_controller_test.rb b/test/functional/courses_controller_test.rb
index 92b18c0..35d5fa0 100644
--- a/test/functional/courses_controller_test.rb
+++ b/test/functional/courses_controller_test.rb
@@ -29,6 +29,15 @@ class CoursesControllerTest < ActionController::TestCase
 	end
 
 	context "An anonymous user" do
+
+		should_request_login_on_post_to(:new,       {})
+		should_request_login_on_post_to(:create,    {})
+		should_request_login_on_post_to(:edit,      {:id => 1})
+		should_request_login_on_post_to(:update,    {:id => 1})
+		should_request_login_on_post_to(:destroy,   {:id => 1})
+		should_request_login_on_post_to(:enroll,    {:id => 1})
+		should_request_login_on_post_to(:unenroll,  {:id => 1})
+
 		context "on get to :index" do
 			setup { get :index }
 
@@ -36,11 +45,37 @@ class CoursesControllerTest < ActionController::TestCase
 			should_render_template 'index'
 
 			should "display the course list" do
+				assert_select 'h1', "Disciplinas #{App.current_period}"
 				assert_select 'a[href=?]', course_url(@course)
 			end
+
+			should "choose display the selected period" do
+				get :index, :period => "1970.1"
+				assert_select 'h1', "Disciplinas 1970.1"
+			end
+		end
+
+		context "on get to :show" do
+			setup { get :show, :id => @course.id }
+
+			should_respond_with :success
+			should_render_template 'show'
+
+			should "display the course" do
+				assert_select 'a[href=?]', course_log_url(@course)
+				assert_select 'a[href=?]', course_news_url(@course)
+				assert_select 'a[href=?]', course_events_url(@course)
+				assert_select 'a[href=?]', new_course_event_url(@course)
+				assert_select 'a[href=?]', new_course_attachment_url(@course)
+				assert_select 'a[href=?]', new_course_wiki_instance_url(@course)
+			end
 		end
 	end
 
+	context "An authenticated user" do
+		setup { login_as :bob }
+	end
+
 	# REST - usuários autenticados
 	#context "A user" do
 	#	#setup { login_as :bob }
diff --git a/test/functional/user_controller_test.rb b/test/functional/user_controller_test.rb
index 7c6f909..1dc97ce 100644
--- a/test/functional/user_controller_test.rb
+++ b/test/functional/user_controller_test.rb
@@ -22,12 +22,27 @@ class UsersController; def rescue_action(e) raise e end; end
 
 class UsersControllerTest < ActionController::TestCase
 
-	self.use_instantiated_fixtures  = true
+    context "An authenticated user" do
+        setup { login_as :bob }
 
-	fixtures :users
+        context "on get to :dashboard" do
+            setup { get :dashboard }
 
-	def test_true
-		assert true
-	end
+            should_respond_with :success
+            should_render_template "dashboard"
+        end
 
+        context "on post to :logout" do
+            setup { get :logout }
+
+            should_respond_with :redirect
+			should_redirect_to('the main page') { index_url }
+
+            should "log out" do
+                assert_nil session[:user_id]
+                assert_nil cookies[:login_token]
+            end
+        end
+
+    end
 end