trying just an image feed

app/controllers/posts_controller.rb

@@ -38,6 +38,10 @@ def feed
     @posts = Post.find_desc(:limit => 10)
   end
 
+  def image_feed
+    @posts = Post.find_desc(:limit => 10)
+  end
+
   def show
     @post = Post.find(params[:id])
     @comment = @post.comments.new

app/views/posts/image_feed.rxml

@@ -0,0 +1,22 @@
+xml.instruct! :xml, :version=>"1.0" 
+xml.rss(:version => "2.0", 
+        "xmlns:media" => 'http://search.yahoo.com/mrss/'){  
+    xml.channel{
+    xml.title(@site_name)
+    xml.link(@site_address)
+    xml.description(@site_description)
+    xml.language('en-us')
+      for post in @posts
+        xml.item do
+          xml.media(:content, :url => image_tag(post.image), :type => "image/jpeg")
+
+          xml.title(post.title)
+          xml.description(newline_and_textilize(truncate(post.description, :length => 46)))      
+          xml.author(@author)               
+          xml.pubDate(post.created_at.strftime("%a, %d %b %Y %H:%M:%S %z"))
+          xml.link(post_path(post))
+          xml.guid(post_path(post))
+        end
+      end
+  }
+}

config/routes.rb

@@ -5,6 +5,7 @@
   # Sample of regular route:
   map.archive '/archive', :controller => 'posts', :action => 'archive'
   map.feed '/feed', :controller => 'posts', :action => 'feed'
+  map.feed '/imagefeed', :controller => 'posts', :action => 'image_feed'
   map.feed '/feed.:format', :controller => 'posts', :action => 'feed'
   map.about '/about', :controller => 'posts', :action => 'about'