HHL3-354
A back lighting example with a rim lighting effect. Not a true silhouette, but close. This photo also has some flare caused by the strobe's light hitting the camera lens. The amount of fill used determines the detail in the shadows.
Jolee is the model.
Canon EOS 5D Mark II, f/6.3 @ 60 mm, 1/160, ISO 200, No Flash
Aronsha Photographry 2011