These pictures on Flickr - Understanding Art for Geeks - had me literally falling of my chair with laughter. (Hat tip Slashdot.) Here are a couple of samples but I urge you to check out the whole set.

I was two hours early for a meeting at The Cabinet Office today and so I wandered about the Dutch art section of the National Gallery. Priceless time to myself. (You may also want to read my review of the Mauritshuis Museum in The Hague.)