Happy Squirrel Appreciation Day!

A cheerful squirrel holding an acorn with a big, playful smile. The background is a lush forest setting, full of colorful flowers, green foliage, and vibrant leaves. At the top, a festive banner reads "Happy Squirrel Appreciation Day!" in a fun and whimsical font, giving the card a joyful and celebratory feel. The artwork strikes a balance between cartoonish charm and realistic detail.