How to make a flashpan for a cool film lighting effect

Ever wondered how motion pictures make that ripple-effect in their lighting? With this simple video tutorial, you'll see how to do a professional lighting effect, on a little to no budget. See how to make a flashpan for a cool film lighting effect.

Two other tricks to add, are using shards of glass on top of the mirrors in the pan (to break up the water, to add some realism, and also to use different liquids, such as oil or different food colorings, for different effects).