Top ten! (If you only count my podcasts...)
A Basement of Broken Dreams - An album by John Holowach, hosted on archive.org. I used his song called My Piano Sings (Part 3).
Using email to achieve a paperless system only works if your emails aren't blocked by another teacher's spam filter.
When podvangelizing, it's best to break it down and keep it simple. (Does that mean you share Kool-Aid that's been watered down?) Also, you can leave printouts from various podvangelizing websites in strategic locations (like the teacher's lounge).
On a spur of the moment I decided to make some podvangelism banners. Feel free to move these to your own server and use them. (1, 2, 3)
David Warlick - This wonder of the educational corner of the internet has many pages, including his blog and his podcasts.
Teach42.com: The web site of Steve Dembo - the man, the myth, and my inspiration for podcasting.
Podcast Alley: Education Podcasts - C'mon, you know you want to vote for me ... right?