First of all, thanks to everyone for posting all the great images for this motif. It really brings home how important it is to get as much of the work done as possible in the camera!
Here is Ms. Mallard, shot at a local park. Converted and sized.
50D, EF70-200mm f/2.8L IS + 1.4x @ 280mm
Aperture priority, f/5.6@1/200, evaluative metering, EC +1/3, ISO 200, WB set @ 5100K
AI Servo autofocus, HH, no flash
All she needs is some sharpening, lightening and sharpening of the eye, and maybe a little curves work to boost the shadows a bit.