Here’s some links of info on green screen and blue screen photography, as well as where to get some clips for vfx:
http://www.vce.com/bluescreen.html
http://www.vce.com/chromakey_QnA.html
Here are a couple of links to some blue screen and green screen photography information
http://cart.vce.com/cgi-bin/store/index.cgi?pid=290
blue screen and green screen photography tutorial on DVD
http://cart.vce.com/cgi-bin/store/index.cgi?cart_id=6477589.32151&pid=292
this one has blue screen/green screen elements on it for compositing
http://www.vce.com/bluescreen.html
http://www.vce.com/chromakey_QnA.html
Here are a couple of links to some blue screen and green screen photography information
http://cart.vce.com/cgi-bin/store/index.cgi?pid=290
blue screen and green screen photography tutorial on DVD
http://cart.vce.com/cgi-bin/store/index.cgi?cart_id=6477589.32151&pid=292
this one has blue screen/green screen elements on it for compositing