Rock Texture

Hey does anyone know of a good rock texture?
I’ve tried severel times, but it just doesn’t seem to work. :mad:

I’m trying to make a rock made out of procudural textures, such as musgrave. And a small bumpmap to make it realistic.

Any ideas/textures will be welcomed greatly:o

a simple google gives you this:
http://www.mpan3.be/gallery/My%20CG%20Portfolio/rock.jpg

blender file here:

http://www.mpan3.be/resources/blender/material_study.blend