Overview
iTunes is Apple's podcasting system. With podcasts, no mp3 player is necessary. You can use your computer to listen to the latest sermons which will download automatically, even while you are away. Any podcast can be transferred to a portable player, and they are available 24/7!

Definition
Podcasting is a new form of delivering audio and video content through the web.

How-To
The fastest way to subscribe and listen to podcasts is to download the iTunes media application from Apple. This program works on Windows or Apple Mac computers and is easy to install and setup.

Once you’ve got iTunes (or another podcast receiver–or “podcatcher”) installed, simply use the following link to subscribe to the podcast feed:

In iTunes, simply click the Subscribe button for the Covenant Reformed Presbyterian Church directory entry. Your podcasts are managed within iTunes and new sermons will automatically be delivered to your computer as long as you are subscribed. You may unsubscribe at anytime and you are under no financial obligation to listen. It’s always free!

Podcatchers
iTunes
Yahoo! Podcasts (Login using MyYahoo!)
Juice (formerly iPodder)
Extensive List at Wikipedia
Another List from PodcastingNews.com

Other Resources for Information about Podcasting
Wikipedia
Apple