Congratulations Allen Sparks!!! Your image "Tiger Swallowtail" has been chosen as the Macro IOTW for the week ending 9/17/2010!!!
1. Canon 40D, Sigma 150 macro plus Tamron Pro 1.4x teleconverter, monopod, 580 EX II flash
ISO 400, f16, 1/250s, manual mode