serene autumn landscape: colorful leaves falling, warm tones, soft brush strokes

autumn wallpaper ios device temmie chang style flattened perspective delicate brushstrokes uhd transparent layers transparency lightness colored cartoon serene landscape colorful leaves falling warm tones soft brush strokes season inspired landscape: hill swaying trees anime-influenced style light pink sky-blue colors create vibrant background 3840x2160 resolution showcasing clear precise bird art animated gifs nature-inspired imagery cute cartoonish designs complete aesthetic generated