This script simulates the color style of the movie "300":http://en.wikipedia.org/wiki/300_%28film%29
The script is based on this how-to for PS with some improvements:http://www.rickdavidson.com/2007/04/30/visual-effects-in-the-style-of-300/
Copy it into the scripts folder from GIMP, you will find it then under Filters -> Artistic -> Movie 300.
Unless otherwise noted, the rights for the individual plugins are with their respective authors. Logo image by Jakub Steiner.