Shot on a Canon Rebel XTI with a Canon 100mm f2.8 macro.

Strobist info:

• Canon 580EX II bounced off art paper on the floor up through art paper on glass to create a light table.  Off-camera using a PocketWizard II.
• Two Calumet 700W slave strobes at 1/64th from about 2.5ft above at approximately 45degrees.