How about over 9 hours of photography presentations from MAC world. Here is the MAC World video link. These are the complete presentations from Chris Orwig, Derrick Story, Ben Chen, Lesa and Shawn King.
Topics covered include Five Shooting Techniques To make Your Pictures Look Great; The Art and Craft Of Digital Photography, How To Capture Killer Sports Images, and a full day for the beginning digital photographer. Thanks to Bruce Vigneault, one of our DigitalProTalk readers for the heads up link.