backdrop background blend card board cardboard fill grunge grungy large layer lines texture beam board lumber plank planks structure textures timber wall wood wooden abstract decoration decorative desktop diagonal pastel structures wallpaper copy space fill space filler mold moldy overlay paper backgrounds fabric faded hi-res linen pink shadowed yellow clover flower flowers grass lawn meadow mountain mountains tile yard 2013 cashews delicious food fresh natural nuts snack unsalted barrel blue degraded paint splatter surface urban wabi sabi wabisabi alpine carpet green horticulture mat miniature nature plant small tiny cracked crystalline granitic gray grey hard rock rough stone canvas knit material space wavy weave