Whimsical Pony with Western Saddle

western saddle on a sweet pony, simple nursery poster, whimsical childrens illustration, hand-painted gouache, naive folk art style, flat clean shapes, soft imperfect edges, muted pastel desert palette, dusty pink, cream, sand, terracotta, faded blue, minimal background, centered composition, subtle paper texture, cute and friendly, no photorealism, no 3d