Need help with 3d Person Character Controller

I have recently gone through the basic part of 3d Buzz TP Character Controller and it's fine. But I wanted to change the way of the movement. In this tutorial when a player changes the camera position, and then moves, the character faces away from the camera. I tried to make it in a different way (exactly like in The Witcher 2 - http://www.youtube.com/watch?v=oi788F7vhHY&feature=related) but unfortunately I didn't succeed. Maybe someone knows the solutions. Here are the C# scripts:

http://www.mediafire.com/?p6faxml4tczucwo

Btw. I'm kinda new to Unity so please, be patient with me:D. Thanks in advance.