He walked into the museums, and put up his paintings. While dressed as an "British Pensionner" which should allow for enough room to bring the painting in. The Met spotted and removed the work right away, the MoMA, Museum of Natural History, and Brooklyn Museum pieces stayed up longer. You can find out more about Banksy at his website.
It all reminds me of the Turner Prize scandal (well, there's one every year, but I was thinking of the 2002 one) at which Banksy spraypainted "Mind the crap" on the steps.
There's also a discussion of this going on at plastic.com.Posted by duver001 at March 26, 2005 2:10 PM