The $10 DIY Foamcore Softbox
Strobist info, setup image can be seen here.
1 - today's 40cm DIY softbox fitted with a strobe provides soft key light coming from the right
2 - A foamboard silver reflector mounted on a stick-in-a-can provides fill from the left side.
3 - A stick-in-a-can and some A clamps are used to hold a stretch of black fabric to act as backdrop
4 - A strobe fitted with blue gel and a coroplast gridspot is placed on the far right, casting a long light strip and provides some background separation
5 - IKEA chair is used as a posing stool