available backgrounds colors colours footwear for sale leather purchase sandals shapes textures variety wooden background caution construction danger lens light orange reflector safety texture traffic urban warn warning artistic attached contrast contrasting dark decorative density display distinct distinctive driftwood flora foliage garden garden-background greenery layered layers nature ornament ornamental patterns plants sculpted shade shadows shape shaped spread spreading sunlight sunshine surface surfaces textured thick thin variations vegetation wings wood black & white cloud clouds landscape monochrome reed reeds river sky uk water autumn brown close-up color green leaf leaves macro red yellow arab room beauty castle europe gold golden golden ceiling interior aged backdrop grunge grungy paper papier pastel pastels soft vintage blank card clip copyspace element empty index lined stationery lilies lily pad pads plant round shine shiny cooling grid grill holes honeycomb machine mining radiator screen truck gloss glossy natural organic reptile rough scales skin