abstract appearance Australian background bare bark branches brown colors colours contours cream edges gnarled layers lines Melaleuca mottled paperbark paperbark tree shadows shapes shedding soft sunlight surface texture textured textures tree tree trunk trunk uneven variations wallpaper wood adventure aventura boat boating bush coco-tree dinghy Dominican excursion exotic forest green indigene jungle native nature palm reflections republic resort rest river shelter subtropical subtropics tour tourist travel tropical tropics undergrowth vegitation water wet