[click any of the images to make bigger/see more detail]
Blu is a marvelous street graffiti artist from Italy who creates compelling large scale stop motion animations using chalk and paint. This first video I found floating around the internet somewhere a few years ago.
and another favorite, Big Bang Big Boom:
Isn't he great? I really love his style of art, making two-dimensional images come alive, even if it's messy and sketchy with a lot of simple lines. I hope you enjoy!