More wisdom from someone smarter than me...

I've done a lot of successful shoots using only one or two lights.  I believe in the "less is more" philosophy.  There are several good tutorial videos located here, and a couple discuss one and two light scenarios:  

www.profoto-usa.com/products/d1/videos...  

Maybe I'll make a few tutorials one day.  But right now there's not much point.  This guy does such a nice job in teaching some basics.