<%# Here it should check file version mime and output image or link to file %> <% if true %> <%= image_tag @record.send(field.name).send(thumbnail_name).url if @record.send("#{field.name}?") %> <% else %> <%= link_to @record.send(field.name).send(thumbnail_name).url if @record.send("#{field.name}?") %> <% end %>