Thanks Edward, I don’t have any certain project in mind for this effect. I edited for a local news station for a year and a half, and saw the work of a green screen, but my job never really required me to work with it except every now and then running a weather camera. I looked over the link you sent me, but it just hasn’t cliked w/ me yet. If you have anymore diagrams if you don’t mind posting them I would greatly appreciate it!
thanks