I just stumbled across the following link: http://gourl.gr/jzr.
They unabashedly claim to be the largest podcast library on the web. Looks like it might be a great resource for people who are looking for just about anything:
And this is just what I could get into a screenshot. The list of tags continued almost twice this length.
Hufferduffer, Initials. (2011, July 21 (accessed)). Podcasts: efl classroom tags. Retrieved from http://community.eflclassroom.com/page/podcasts-1