Another quick entry, courtesy this guy -
I was looking for the RSS feed of one of my Youtube Channels but well, lets just say couldn't find it on Youtube. So of course I google it, and this guy Rick Neilsen just did it for me in less than 2 seconds.
Here it goes -
If you got a youtube channel, simply replace the text 'YourYouTubeUsername" from the link below with the name of the channel. AND ITS DONE.
http://gdata.youtube.com/feeds/api/users/YourYouTubeUsername/uploads
Helpful or not? Let me know!