I was looking around at some of the "major" podcast directory or networks to see what their Creative Common's license was and it was nearly impossible to find anything:
I seems kinda strange to have it hiding or not be made very obvious. Even the two tech podcasts directories I'm involved with (TechPodcasts.com & FriendsInTech.com) are missing good links or references.
IT Conversations has a their badge and scheme published. Kudos to Doug Kaye!