abstract background black burn burned color colour decay grunge grungy metal orange red texture urban city colors iron rust rusty steel bar teexture textures urban decay corrode corroded corrosion crack cracked decaying mildew mold paint paint peeling peel rusting wear and tear colours design desktop dez pain element fill graphic illustration pattern scrapbooking shapes xymonau blue bodgie bright colorful green light lights neon dark gloomy gothic gray natural nature rural stone dead grave brick building strong tile wall backdrop brown detail ol silver