How To Get Listed In Podcasting Directories
If you have a RSS feed for your podcast, then consider subimitting to iTunes at www.apple.com/itunes
Other directories abound, simply search Google for 'podcasting directories' as they vary in rank and popularity all the time, so try to keep up with the current hot directories.
Another one to try is www.britcaster.com if you have a UK feed.
Questions about podcasting: