Someone makes these for photoshop overlays but would be great with ourself..
http://smoko-stock.deviantart.com/gallery/#Textures
http://smoko-stock.deviantart.com/gallery/#Grunge-Textures
http://smoko-stock.deviantart.com/gallery/#Soft-Textures
http://smoko-stock.deviantart.com/gallery/#Textures
http://smoko-stock.deviantart.com/gallery/#Grunge-Textures
http://smoko-stock.deviantart.com/gallery/#Soft-Textures