That's a great idea :-)
Almost as good as my wife's idea of standing by a dark road with a huge camera flash :D
( Mike Fishcake teamfishcake.co.uk - better than your mum's face, Fri 8 Jul 2005, 22:19, archived)

I'd suggest
flashing by a dark road with a huge camera stand.
( Druid, Fri 8 Jul 2005, 22:23, archived)