<%= image_tag 'http://www.gravatar.com/avatar/' + Digest::MD5.hexdigest(@user.email) + '?s=100&d=mm' %>
Name: <%= @user.name %>
Email: <%= @user.email %>
User name: <%= @user.user_name %>
<%= link_to 'Edit', edit_user_path(@user) %> | <%= link_to 'Users', users_path %>