four frog portraits, painted in watercolor, on a white background. perfect for nature-related products, social media, or home

frog amphibian animal watercolor painting artwork portrait face head body skin eyes nose mouth green brown red cute adorable funny nature drawing wildlife rainforest jungle exotic tropical pet lover home decor wall art print digital social media graphic design products merchandise gift card poster sticker mug tshirt phone case wallpaper mascot artistic four portraits painted white background perfect nature-related background decor