Here is a tutorial (http://www.film-and-video.com/broadcastvideoexamples-greenscreen.html#GREEN%20SCREEEN%20ARTICLE.html)by Walter Graff about lighting screens.

Jeff,
great article, thanks for posting a link to it. I did my first blue screen last month, it was okay, but I'll read this and my next one will be better.

Jeff,

Thanks for posting the link. He makes an excellent point about lighting for what the background scene is, and not just what the talent looks like against the screen.

Bill