A great lighting tool is the Ring Light or Ring Flash. The Ring Light was invented in the 1950's as a light source to capture medical images. Fashion photographers and DP's soon found this great light source and used it to shoot people. It's perfect because it creates a wonderful highlight on the skin and allows the shadows to fall away from the camera. This video is a look at how to use a Ring Light or Ring Flash.
Keep those cameras rolling and keep on click'n!