loving the Lauren Child technique, though I'm sure she's not the first to use photography with hand-drawn. She was the first that I realized I could do it too. Then I played Samorost 1. If you want to problem solve your way through this simple game, click the arrow pointing at the sewer pipe-looking thing on the opening page, then point-and-click away. Here's a shot from the second level:
Photos of moss, granite, and some guy's face smoking a hookah. It's awesome. Here's another:
Check out their website.