<% end %>
<img src="<%= url_for :controller => "traces", :action => "picture", :id => @trace.id, :display_name => @trace.user.display_name %>">
<% end %>
<img src="<%= url_for :controller => "traces", :action => "picture", :id => @trace.id, :display_name => @trace.user.display_name %>">