Maybe some photoshop filters will work in gimp.
I would get photoshop if need be.
How would photoshop help ?

http://www.renderosity.com/mod/gallery/index.php?image_id=2150100

http://www.renderosity.com/mod/gallery/index.php?image_id=2069860&recent_upload&user_id=48237&member

These where hand drawn I'm new to D/S But never seen a rende engine that would render like these but if D/S or a plug shaders any thing could ,killer.

save me a lot of time :)

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The Artist that will fight for decades to conquer their media.
Even if you never know their name ,your know their Art.
Dark Sphere Mage Vengeance