Jez is so much better at explaining mIRC than I am lol.
Here goes.
You can access the #myowncreed channel by installing software called mIRC. Once you're in the channel you'll find an interface much like a chatroom except that some of the users are set up as servers from whom you can download videos and audio.
These two tutorials will get you on your way: (they'll take a minute to load)
http://www.myowncreed.com/howInstall.html
http://www.myowncreed.com/howdownload.html
It's not easy by any means but if you want it bad enough you'll figure it out.
