Though not especially colorful, it is a good subject for practice as there is much detail to explore... I have not checked for wing lice...
Pentax *ist DS, Pentax 50mm f4.0 macro lens, f11,1.5s, 36 photos, with ~ 90 mm of extension from the camera body. .008" (.2mm) step size.
Pentax *ist DS, Pentax 50mm f4.0 macro lens with 7.5X hastings triplet "buddy lens" in front, f8,1.0s, 61 photos, with ~ 90 mm of extension from the camera body. .002" (.05mm) step size.
Keith