The Princess and the Troll Sons, from The Boy and the Trolls, by John Bauer. ""Look at them," urged the troll mother. "Look at my sons. Handsomer trolls can't be found this side of the moon. But then of course, they take after their mother.
Mouth of Flower - Octavio Ocampo This is good art because it is an optical illusion. It could either be just some flowers with a butterfly, or you can also see a woman's face. It is very creative in a subtle way.