Here's a image I did a couple weeks ago as part of a portfolio shoot update. All of the lighting on these
images was done with one Canon 580EXII Speedlite off camera in a small soft box.

Technical Stuff:
Canon 5D Mark II
Lens: Canon 85 mm 1/100 sec @ f2, ISO 100
Lighting: 580 EX II in ETTL mode
Camera Exp Comp: -2/3rd