http://forum3d.com/forums/forumdisplay.php?f=23
Seamless meta-textures Volume 1.
This collection can help you in your cg work…
Useful in different software( Zbrush not exception 
).
Best regards, good luck !
You might want to add it costs $50 us dollars to your topic so folks don’t think they are free.
Do you know off hand if this fellow made them himself or culled em off the web?
I don’t see free in his topic.
are all posts here supposed to be for free things?
Sorry I am kind of new around here…
http://www.exchange3d.com/new3d/gallery-album_CG-3D-Textures-Tiling-Seamless-volume1-free-bonus.html
- free section… ( there not best works, but useful sometimes,…)
All textures exclusive and handmade…
Enjoy !
Note, some of free textures had created by mathematical method( all commercial textures are HANDMADE) …