For those with lot of free time, can DIY your own light box. Get a box, cut it up, get some white fabric (muslin/etc) and line it up. Use 2 light source or more, 4000~4300k range bulbs or if you have multiple flash you can play around with the shadows or backlighting them. Or you can try with 1 light source from the top first.
eg....
http://photos1.blogger.com/blogger/3...2-strobist.jpg