to_feed

# File lib/rss/maker/1.0.rb, line 196
        def to_feed(rss)
          if @url
            image = RDF::Image.new(@url)
            set = setup_values(image)
            if set
              rss.image = image
              set_parent(image, rss)
              setup_other_elements(rss, image)
            end
          end
        end