whimsical autumn collection with pumpkin, leaves, acorns, and seasonal s

autumn illustration seasonal pumpkin leaves acorns umbrella mushroom berries whimsical handdrawn blackandwhite nature organic sketch artistic design decorative fall harvest cozy rustic botanical graphic charming creative homedecor wallart nostalgic traditional folkart playful detailed gentle seasonaldecor autumntheme collection doodle drawing icon set leaf cartoon weather vector symbol september