The source code is now available via subversion at
http://code.google.com/p/frcfeed/ If you are interested in making changes let me know and we can work something out. I apologize that the code is as sloppy looking as it is I am working on cleaning it up and adding more comments.
A word on the eval(...) statements, I felt this would be the easiest way of handling multiple formats or multiple new options. In the next couple days I will try to put a wiki page together on adding new formats and new options.
http://code.google.com/p/frcfeed/wiki/HowToUse Link to Wiki on how to use. Expect this to be fleshed out more over the next couple days. If you find parts that are hard to read just let me know and I will try to reword them.