<% history.each do |picture| -%>
<h3>revision:<%= picture.revision %></h3>
<div>licensed at <%= picture.created_at %></div>
- <img src="<%= picture.url -%>">
+ <%= tag(:img, picture.opt_img_tag) -%>
<%= render picture.credit_template, :picture => picture %>
<% end -%>