Thanks a TON Rob. One question, the outer glow, can that be an optional step? I have a ton of images to do, and if it's easy to script would rather not have to go turn off the layer on each one before I save out to png.
I watched the script run on the satin process and that was wicked cool as the thing just kind of warped itself.... If you can find some more time, I would love to see something more detailed on how to (or if there is a GIMP tutorial out there that you can point me to). I know it's not useful for mapping, but that satin effect is SWEET.