Educational Podcast Network:
The Education Podcast Network is an effort to bring together into one place, the wide range of podcast programming that may be helpful to teachers looking for content to teach with and about, and to explore issues of teaching and learning in the 21st century.
NPR podcasts - mix your OWN podcast with keywords!
Speaking of History:
Story Corps - often has themes of history or social issues. Also good for podcast and interview ideas.
History Channel - This day in history:
Whitehouse.gov - 4+ feeds here - use the feed icon in the address bar
Example: White House Video feed: - doesn't seem to want to download videos - but works as RSS feed
Speaking of History: a podcast and blog maintained by an 8th grade American History teacher in Missouri who's using technology to enhance the curriculum
Sansa Media Converter
http://www.dopplerradio.net (blocked at school)