When I mentioned during one shot that I accidentally included part of the light source, Miko suggested I take a shot that shows the setup: Nikon SB-600 flashgun at 1/8th power, fitted with a StoFen diffuser and a homemade cardboard snoot sitting on a Gorillapod (short tripod with flexible legs). So this setup:



This isn't a very good example because the final shot isn't exposed enough but you get the idea.