Click link to download this Freeware filter. Instructions and information about the creator is in the Readme.txt. Also want to encourage you to go to Cybia. This site has plugins, textures, and 3d resources for bryce and poser. Excellent resource for both PSP and Photoshop
Cybia Edge Works

All filters adjustable.

15 Filters in all

Examples of what this filter does.

Beginning Image

Artistic Chromium
Contour Depth
Digitize Dissolve
Freeze Glitter
Graphite Medical
Modern Noisy
Photocopy Tarnish