Chroma Photo is Green Screen (chroma key) software for photos. The compositing software also come bundled with a variety of photos that can be set as backgrounds. The chroma key engine will automatically adjust for wrinkles and variable lighting. You can set your photo subjects to various locations in the world.
You can drag drop files into the foregrounds list and the backgrounds list.
||Free to try
Mac OS X 10.4 Intel,
Mac OS X 10.5 Intel,
Mac OS X 10.6