GraphicRiver - ScratchBG - Modern Grunge Backgrounds | 56,2 mb
A collection of modern style grunge backgrounds, suitable for use on websites, banners, posters & more.
Includes: RGB Layered PSD – 2000x1500px 30 hi-res JPG files – 2000x1500px 6 color choices 4 lighting overlays to fit almost any use

Info:
http://graphicriver.net/item/scratchbg-modern-grunge-backgrounds/151889