I only took one photo :/
The projection in the middle is Bens "Only" installation, its a virtual pin-board powered by the kinect and is double sided, as pins are pushed in this side they pop out the other. Its really neat :)
I also had a stab at joining the London GameJam during my train journey:
Just managed to complete a title screen (and half a game engine) in the 4 hours I had on the train...