This afternoon boing boing had a link to a page with a bunch of drawings people have done on currency.  There’s George Washington with an iPod, Andrew Jackson as King Leonidas, and Queen Elizabeth as the Wicked Witch of the West.  There’s also el Barto:

Clicking on the source link at that page took me to Flickr user ChukD.  He’s got quite a few of these including an actual Bart Buck:

He’s got a bunch on there, with characters from Goofy to Batman to Dr. Zoidberg.  Check it out.