Playing With Flash and Web Cams

I've recently taken an interest to learning Flash CS4 and ActionScript3.0. I've been playing around (struggling) with web cam motion capture. Basically, I'm trying to use code to control motion captured by a web camera and then assign that motion to the mouse or an object on the screen. An example would be to, within a Flash movie, gesture your hand infront of the screen to control an object or select a button.
Dan Zen has a website (http://ostrichflash.wordpress.com/) that features the primary code that can be used to control web cams. it also features alot of examples of other applications for web cam control. I managed to create something similar to the Fairy example.