The Fixer is a GIMP 1.1 plug-in for neatening borders and transitions in images and for producing a number of interesting effects (such as the lightning styling in the logo above).
Examples of what the Fixer can do
Download version 0.2
This plug-in works by breaking a corpus image up into constituent 3x3 pixel blocks then trying to approximate some other image by fitting these blocks together, somewhat like a jigsaw puzzle. The result is an image similar to the original, but restyled in the manner of to the corpus.
Clear as mud... um... go look at the examples page.
This program is going to form part of my PhD, as part of the CEMA group at Monash University.