The script removes the blue/purple fringe found in digital camera pictures.
This script came out of necessity, when laborious and tedious work for fixing a large set of images became too much! It's certainly not perfect, but it does do a really decent job for a hands-off approach!
Version 1.1 (2009 June 18)
Version 1.2 (2009 July 5)
The script is located in "<Image> / Script-Fu / Enhance / Defringe"