I shot these alstroemeria blossoms (Peruvian Lilies) on a lightbox. I combined seven exposures at shutters speeds ranging from 1/4 of a second to 5 seconds. Each exposure was shot at f/64 and ISO 100, all were (of course) tripod mounted with great care taken not to move the camera between exposures. I used my 85mm perspective correcting macro lens.
I used layers and masking in Photoshop to combined the exposures. The hand-HDR process was biased towards overexposure because this tends to emphasize transparency.
Overall, I think the result looks much more like a painting than a photograph—a good thing in this case.