If you like Atom more than RSS use the [atom\_feed\_helper](http://github.com/rails/atom_feed_helper/tree/master).
Here's the template, modify it to fit your needs. I know there are plugins and other ways of doing this, but I hate code that gets too abstract:
```ruby
Code Snippets - Aktagon
http://snippets.aktagon.com/
Share your code with the world. Allow others to review and comment.
en-us
<%= @snippets[0].created_at.rfc822 %>
<%= @snippets[0].created_at.rfc822 %>
http://blogs.law.harvard.edu/tech/rss
Aktagon Snippets
<% for snippet in @snippets %>
-
<![CDATA[<%= snippet.title %>]]>
<%= snippet_url(snippet) %>
]]>
<%= @snippets[0].created_at.rfc822 %>
<%= snippet_url(snippet) %>
<% for tag in snippet.tags%>
]]>
<% end%>
<% end %>
```
Remember to serve the feed with the [correct HTTP headers](http://www.petefreitag.com/item/381.cfm).
It also helps to have an auto-discovery tag inside the head tag:
```ruby
```