See PHP Video Chat Script customizations section for editing video chat skins, parameters like quality settings and limitations.
You will need to register your own facebook application and stratus key.
This build is based on PHP 2 Way Video Chat Script located in the videochat folder.
You need to bring some friends for testing if no one is online.
For easier testing of the appliction, try the plain plain videochat solution to setup a room url and see how it works for you.