Sorry, meant to give a plug to strobist.com with the article on product photography. Strobist.com look at how to use standard on-camera flashes instead of more expensive studio gear, and there's lots of info and articles on DIY equipment. The reason for the plug was that the mini studio I built was slightly modified from my original design after reading their DIY $10 Macro Photo Studio article. Instead of keeping it as a solid box, I cut the sides out and covered them with tissue to give me more of a light-tent instead, which improved my original idea no end.