Learning and Motivation in the 21st Century http://www.youtube.com/watch?v=K_6GUx1Zx0w&feature=related
This a good one - short and sweet on why we need to make a change - I used it in a tech integration session
Motivation from a different viewpoint - Geaux Tigers
Here's a motivational video clip that I share in workshops on 21st century learners. It's a Vision of K-12 Students today
I started a discussion a couple of weeks ago called "Fun Video Clips" If you follow that discussion thread, there are several other clips people shared with me.