Use a pigment_pattern (see the documentation).
Or, actually, if you're just scaling the pattern, try using no_bump_scale.
Both of these only work in 3.5. If you're using an earlier version, you'll
have to modify bump_size by 1 over how ever much you scaled the pattern.
- Slime
[ http://www.slimeland.com/ ]
[ http://www.slimeland.com/images/ ]
