<% count = 0 %> <% for attachment in attachments %> <% if attachments.count == 1 %> <% elsif attachments.count == 2 %> <% else %> <% end %> <% end %>

<%= render :partial => 'attachment', :locals => {:attachment => attachment} %>

<%= render :partial => 'attachment', :locals => {:attachment => attachment} %>

<% if count == 3 %> <% break %> <% end %> <%= render :partial => 'attachment', :locals => {:attachment => attachment} %> <% count = count +1 %>