This isn't circuitbent but i made it for a christmas present so i just thought i'd show it off a bit. Its got something like 110 x 10mm LED's behind a 50cm x 50cm dark tinted plastic panel and a word stencil. The LED's are controlled by a PIC microcontroller.
(http://www.circuitbenders.co.uk/hostedpics/wordclock.jpg)
It was made using the instructible at http://www.instructables.com/id/A-Word-Clock/ (http://www.instructables.com/id/A-Word-Clock/) as a starting point.
I did it on stripboard with a separate board for the power supply. Theres some minor adjustments to the circuit but it does work fine with the schematic on the instructible.
Heh, nice. That looks brilliant!
it looks like you could see it from quite a distance as well