Craig Roland has this linked on Art Education 2.0.....
Christopher Witcombe's EwArt Productions - Art History "in just a minute"
"EwArt Productions gives you fact-filled and entertaining coverage of
works of art, artists, and concepts, all 'in just a minute.'
Hosted by art historian Christopher L. C. E. Witcombe."
See Mona Lisa and Last Supper.