background metal old oxidation oxide oxidize oxidized oxidizer oxidizing rivet rivets rust rusting rusty texture abstract diagonal modern pattern patterns plastic plastics regular structure structures textures turquoise weave blue color colorful creativity decoration design grunge grungy iammi-z shape shapes blade detail field flora grass green meadow nature organic plant summer warm wild composite fungus gray grey grunge. lichen plants stone wall yellow autumn fall leaf leaves reflect reflection tree trees water dying ending last leafs Nyberg october red season September clover flower flowers lawn mountain mountains tile wallpaper yard burlap canvas cloth coarse copy space linen tarp threads woven wrinkles yarn beige brown decaying disintegrate disintegrating flake flaking flaky light pale plaster worn cracked crevice fissured hard natural rough split Stump