Electric LarryLand - Why do, How to, What is Podcasting?: Podcast covering many podcasting details, some technical, on setting up a studio and publishing the results.
Macworld - Start your own Podcast: "It’s surprisingly easy to join the ranks of Podcasters. In fact, you probably already have most of what you need." Article by Cyrus Farivar.
MacZealots - Podcasting 101: The history of podcasting, how to listen to podcasts, and a few resources that might prove useful.
Reel Reviews Radio - Podcast About The Podcast: Description of how Reel Reviews Radio records and processes its podcasts.
The Handheld Librarian: Podcasting primer.
The Unofficial Apple Weblog (TUAW) - How We Made Our Podcasts: Subtitle: How not to do a podcast.
Voxmedia - How to Podcast: Summary with links to additional material.