I call this "Surprise"
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVXSxeLt1qmp7-R-Oh1mkuWvESOEB3iQyGyaqitozbkUK55lWGf6SBfCHz_6ts9YddfqSsPk5ppB751sQpmc_htaicVpYEF0Hk2bA3oV_IassyEvDFOoOiZZYfR8JGO7mTusx2VQ/s400/Surprise.jpg)
I combined a boy with a face painting and a old Birch Tree trunk. In the Layers group, I changed the Blend Mode to Difference on the top layer (Birch Tree) and this is what happens. Playing around with blend modes and various images, can be a surprise every time.