watercolor halloween ghosts with pumpkins and autumn leaves. concept of cute spooky spirits, festival celebration, fall

watercolor ghosts pumpkins autumn leaves halloween cute spooky spirits celebration festival fall art seasonal scary decorations october festive costumes bats hanging smiling characters kids friendly cheerful holiday fun ghostly paranormal supernatural traditional painting lanterns branches orange yellow autumnal vertical concept design illustration watercolour aquarelle splashes abstract childrens ai generated