black decay design gray grunge grunge wood grungy paint painted wood pattern texture urban white wood woody abstract backdrop background brick city concrete detailed house orange red stone wall wallpaper age aged diamond plate diamondplate grit metal non-skid Portland sidewalk surace weathered architectural color dark rough old old wall painted wall paint graphic letter mark register registered sign trade blue colorized colors cracked copy copyspace scratch scratched tough architect building construction lamp rural silver corrode corroded corrosion crack decaying mildew mold paint peeling peel rust rusting rusty textures urban decay wear and tear