Thanks to all.
Reefer, No, they're not "photoshopped." I'm very much an old-school purist and I present what I shoot. I find it upsetting when people present, as photography, digitally altered images.
I use Canon 20D camera bodies. For these shots I used the Sigma EX180 macro lens and, most likely, various combinations of extension tubes. A tripod and remote release are also part of the setup.
Gary