anchor.diff:        <% for photo in photos[1..6] %>
           <%- photo_pos_class = cycle('first', '', '', '', '', 'last') -%>
           <% if [Photo, Photo.descendent_classes].flatten.include?(photo.class) %>
  -          <%= photo.id ? modal_image(photo, :size => :square, :class => photo_pos_class) : image_tag(photo.square_url, :class => photo_pos_class) %>
  +          <%= photo.id ? modal_image(photo, :size => :square, :class => photo_pos_class) : link_to(image_tag(photo.square_url), photo.native_page_url, :class => photo_pos_class) %>
           <% else %>
             <% photo_url = "http://flickr.com/photos/#{photo.photo_xml[:owner]}/#{photo.id}" %>
             <a href="<%= photo_url %>" class="<%= photo_pos_class %>">
  
positive.code:       <% for photo in photos %>
          <%- photo_pos_class = cycle('first', '', '', '', '', 'last') -%>
          <% if [Photo, Photo.descendent_classes].flatten.include?(photo.class) %>
            <%= photo.id ? modal_image(photo, :size => :square, :class => photo_pos_class) : image_tag(photo.square_url) %>
          <% else %>
            <% photo_url = "http://flickr.com/photos/#{photo.photo_xml[:owner]}/#{photo.id}" %>
            <a href="<%= photo_url %>" class="<%= photo_pos_class %>">
  
negative.code: <% unless photos.size == 0 %>
    <% if taxon.species_or_lower? %>
      <% if [Photo, Photo.descendent_classes].flatten.include?(photos[0].class) %>
        <%= photos.first.id ? modal_image(photos.first, :size => :medium) : link_to(image_tag(photos.first.medium_url), photos.first.native_page_url) %>
        <div class="clear description" style="clear: both">
          Photo: <%= link_to photos[0].attribution, native_url_for_photo(photos[0]) %>
        </div>
  