autumn doodle concept with a dreamy hedgehog, falling leaves, and a white umbrella ideal for a banner

autumn doodle concept dreamy hedgehog falling leaves white umbrella ideal banner design fall autumnal sketch idea hog cute seasonal foliage parasol perfect poster artistic draw fox rain fallen canopy creative create autumninspired sketching inspiration season art decorative autumnalequinox drawn ideaal designing autumnthemed autumnally inspirational fallingdown umbrellaed posterity designed ai generated