These put my shadow puppets to shame.  Artists like Shigeo Fukuda, Tim Noble, and Sue Webster create intricate shadows cast from even more intricate groupings of trash and metal. 

Tim Noble and Sue Webster, Dirty White Trash [With Gulls], 1998

Tim Noble and Sue Webster, HE/SHE, 2003

See more photos here

Visit Shigeo Fukuda's website here

Here's a video of shadow puppets done to What A Wonderful World by Louis Armstrong...for the advanced shadow puppeteer