Heres a set of 18 Grunge & Stone backgrounds that can be used with just about anything you like, all with a light & dark feel. You can also change the colors around to suite your needs if need be.

Also, the images are actual size, just cut down.

Grunge: 2000×2000 A Mix between metal, cloth, stains, textures & other elements to give it a grungy look & feel.

Stone/Pebbles: 2000×1800 A mix variety of looks & textures to fit any application you like.

2 PSD files. 1 help txt.

Enjoy & thanks for looking!