Hmmm.... seems CharlieJ and I had a similar idea... I'll go with this one for now and will try to come up with something more original during the rest of the week.
It's the bottom side of a Coltsfoot leaf (Tussilago farfara). Bright sunshine from above. Decreased saturation slightly in ViewNX.
Date picture taken: May 29, 2009
EXIF:
Camera: Nikon D40
Exposure: 0.002 sec (1/640)
Aperture: f/8.0
Focal Length: 200 mm
ISO Speed: 200