The new issue of The FlyFish Journal just hit the newsstands and I have the cover image. The shot was taken at 1/8,000th of a second at 200mm. It's of a rainbow just after taking a baetis. Silver Creek, Idaho. I think I filled my waders not long after I took this shot. It was early November.
Nikon D3s & Nikon 80-200 afs ƒ2.8 lens