From: KWalter
Date: 04 Jun 2004
Time: 20:31:16
Remote Name: 207.62.159.217
I've never really tried to do that, but after some experimentation, I 've gotten a nice effect using the Find Edges filter (in the Stylize menu), increasing the contrast as necessary, and then colorizing it. Give it a shot, let me know if it's the effect you're looking for.