Podcasting Resources
A podcast is a collection of audio and/or video files that can be downloaded and listened to at a later time, either with an MP3 player or a desktop application.
Applications that support podcasts
Apple's iTunes, ipodder, podfeeder and more.
The Wikipedia entry for podcasting gives the history and links on how to subscribe and create podcasts.
Podcast411 has a tutorial on how to subscribe to a podcast and a list of podcast directories.
