You can do so by simply following the easy to read instructions here. For step 4, just use this URL and you are set:
http://www.photographica.org/backend.rdf.
While you are at it, if you use my.yahoo, bloglines, or any other feed reader, you can add not only the front page of this site, but any user as well. Not only that, but you can subscribe to the latest photography featured in the Photographica Store by clicking on the "myYahoo!" icon on the bottom of any page.
PS: Enjoy the alternating colors in comments.
