How do you make cool effects on videos?

Answer

it really depends on what you are looking for. I myself is interested in video editing software. i have editing site like sony Vegas 9.0 or youcam two of those programes are really good editing sites if you are looking for free greenscreening you don't really need a green screen all you need is a plane white or cream wall and download a site called wax 2.0. hope this helped .