Hello John mood,
Frankly speaking, I'm really new to Pentax. Before this I'm using Nikon D7000. My setup for this macro photo - K5, 100mm WR macro lens, Pentax ring flash and DIY flash diffuser.
My workflow : taking picture in RAW format - mild processing in Adobe RAW Camera editor - touch up a little bit in Photoshop CS5 - save in JPEG.
The file is around 700kb to 2MB. You can see all my EXIF data at
Flickr: hishammarmin's Photostream
TQ mate!