background cracked cracks door fence gate knot ocean old panel salford sea Stump texture textures timber tree wallpaper weathered wood abstract appearance Australian bare bark brown close-up colors colours contours cream edges gnarled gray grey layers lines Melaleuca mottled paper-like paperbark paperbark-tree patterns peel peeling shadows shapes shedding soft strips sunlight surface textured tree-trunk trunk uneven variations clouds drop drops flower flowers glass green nature object objects pine plant plants rain raindrops raining sky water aged autumn clipping color colour element fall grunge isolated leaf leaves natural vintage