For this shot, I asked my lovely assistant to position my flash behind the orchid to produce a different view and get those nice highlights along the edges of the petals...

Technical Data: Canon EOS 7D, Canon EF 100mm f/2.8L Macro IS USM, 1/200 sec at f/22. Canon Speedlight 580EX II flash in auto mode and wireless control. Image Stabilization on. ISO 100. RAW processing in Adobe Camera Raw.

- Bill