<%= 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 %>