The weather finally cooperated long enough for me to get some pictures of these spacers. I apologize the angles of the before & after aren't identical but I was kind of in a hurry:
(You can click on each image for a high-res version embedded from my public dropbox folder)
Thanks again to
r33_RGSport for all of his help on this!
For reference, this is 12mm in the front and 20mm in the rear.