Try playing around with the diffuse glow filter in Photoshop. That probably does what you want if I read you correctly.
Here's an example, one of my sisters (she'll kill me :P)

Left is original, right is diffuseglow. You'll have to play around with the settings to get what you like though. This is ofcourse postwork.
This image was shot with my old crappy point 'n shoot digicam.

Message edited on: 06/24/2004 11:42

What is a friend? A single soul dwelling in two bodies. - Aristotle
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