1960s abstract art artistic autumn backdrop background blue border concept copyspace cover design drawing element fall foliage garden graphic green growth grunge illustration impressionist leaf leaves messy native nature paper pink plant retro rough season shapes sketchy smudge texture vector vintage yellow aged brown desaturated parchment purple render vignette weathered worn red dirty old fashioned sepia abstracted black detail detailed details digital effect effects form forms free fx gray grayscale grey greyscale image manipulated manipulation monochromatic monochrome monotone pattern photomanipulated photomanipulation picture random resource shape sketch sketched sketches somadjinn special stock stroke stroked strokes stylized textured white circular funky round scale trippy style circle spin spinning