creatively arranged halloweenthemed flat lay features pumpkins, bats, and stars set against a vibrant orange background

halloween pumpkins spooky lanterns costumes flatlay bats festive party holiday colorful illustration horror themes nightfall autumnal creative harvest imagery background template eerie seasonal landscape design theme moonlight crafts celebration night stars dark season fun outdoor artistic invitation mood allure marketing trick gathering diy composition symbol tradition banner overhead or treat flat lay ai generated