bold brush strokes create a lively halloween atmosphere with playful ghosts and pumpkins in a graffiti style, perfect for seasonal

halloween graffiti ghosts pumpkins vibrant colorful abstract background dynamic festive art brush strokes spooky october holiday creativity design playful urban culture decoration eerie celebration imagery modern youth street vivid character fun fantasy style pumpkin carving party wall ghostly palette season contemporary seasonal whimsical visual event bright bold create lively atmosphere perfect inspirations