Pixels short
This is a 3 years old short but still a good one.
State of the art
Blender demo reel 2013 by Mike Pan for the Blender Foundation. Used at Siggraph 2013.
Edward Hopper
The work of Edward Hopper is very interesting because one important aspect of his paintings is the light. On night scenes or under a bright sun, you can see precisely the shadows casted by the light sources.
This website has an exhaustive list of his work. A quick selection :