This is a nice illustration of how you can use three point lighting for your portait photography. The video shows you different options in configuring your lights so that you can try out different effects.
[youtube http://www.youtube.com/watch?v=YzvHEBm6VZs&w=490&h=276]
This Following Three Point Lightning video shows you how to create different setups
1. White Background
2. Black Background
3. Film Noir – this one is pretty interesting.
[youtube http://www.youtube.com/watch?v=gkUqBJoxZ-I&w=490&h=276]
