april autumn june leaves march May nature orange spring texture tree abstract black & white closed up contrast graphic line sihouette brown burr chestnut fruit green grove quill quills Acer background bark flake flaking natural peeling rough clouds color fells grass hills landscape light mountains rocks sky summer textures abandoned architecture building city colors concept cracks crazed creation dark decay deck details Dirt dirty distressed fencing fill floor grunge grungy old original palings pattern plank planks run down shed style trees unique urban vintage wall wall. colors wood wood texture wooden texture worn art artwork backgrounds colours cracked dead-wood edge edges gnarled grain grooves hard-wood layers lines lumber painted painting patterned patterns perspectives ridges shadows shape shaped shapes surface surfaced surfaces textured timber tree-trunk trunk twisted uneven variations varieties wood-grain wrinkled wrinkles wrinkly valleys water