5 high resolution premium grunge and dirty textures. Those grunge textures come in high resolution 300DPI for any use you might find them useful for.
You can download high-resolution source files (free download of course) at :www.pixeden.com/texture-packs/5-dirty-grunge-textures-pack-1
Royalty free for use in both personal and commercial projects.
No attribution required. For more details visit link above.