Create a watercolor illustration clipart of a playful cute Frog Checking the mailbox, with its full body visible. Use soft, flowing brushstrokes and a warm, inviting color palette to create an image that is both charming and whimsical. Incorporate intricate details like the motion of the Frog Checking the mailbox to create a lifelike, realistic image. Can add other elements to the illustration like related item to play to create playful scene. Use white background to allow the watercolor texture