I've blogged a bunch of photos of a Trebuchet event over at an experimental class site -- Michael Tinkler's Art 101.

I was thinking that it's a mild pity that my medieval class this term is"Women and Medieval Art" - not an obvious connection to, say, siege instruments. But then there are all the"Assaults on the Castle of Love" images we've been looking at. Definitely a bonus-points-if-you-attend opportunity!