He did say use any light-source...the light at the intersection was refracting off the raindrops on the window here
we had a talk at photography club tonight from this guy http://www.scoiwi.com/gallery.html check out his awesome work
@genesis_one if you want spoilers you got two acceptances, I thought your prints looked really excellent, he gave really constructive but fair criticism and only 3 honours really great seeing everybody's prints laid out and as always his talk was full of humour and good advice.