Motion 4 New Features Overview
Motion 3 Tutorials from me (that aren't on MacBreak Studio)
Motion Video Tutorials from Andy Neil
Motion 3 Video Tutorials from dvcreators.net
Josh Mellicker at DV Creators provides a tutorial on Motion 3's motion tracking feature.
Another cool little web video tutorial. Very nice overview of the different light options and how they work.
Motion 3 Video Tutorials from motionsmarts.com