diff --git a/app/controllers/main_controller.rb b/app/controllers/main_controller.rb
--- a/app/controllers/main_controller.rb
+++ b/app/controllers/main_controller.rb
@@ -125,7 +125,7 @@
       @problem = Problem.find_by_name(params[:id])
       if not @problem.available
         redirect_to :action => 'list'
-        flash[:notice] = 'Error: submissions for that problem is not available'
+        flash[:notice] = 'Error: submissions for that problem are not viewable.'
         return
       end
       @submissions = Submission.find_all_by_user_problem(@user.id, @problem.id)
diff --git a/app/models/problem.rb b/app/models/problem.rb
--- a/app/models/problem.rb
+++ b/app/models/problem.rb
@@ -3,7 +3,7 @@
   belongs_to :description
 
   def self.find_available_problems
-    find(:all, :conditions => {:available => true})
+    find(:all, :conditions => {:available => true}, :order => "date_added DESC")
   end
 
 end