finding RSS Feeds

Hi all.

Can anyone help me?? Recently moved to android/google listen for my podcasting.

But having spent the last few years imply downloading direct from itunes I'm talentless trying to find RSS feeds to use in listen.

Can anyone help me out by describing different ways of tracking down an rss http??

For instance, The big one I'm trying to get it 'the nick and artie show' which is released daily through itunes but I cannot find it elsewhere or any way to get it into listen.

But it would also be nice to be able to find them myself in the future if anyone can help spread the knowledge.