Luckily for you, Terry Chay was on hand to document them:
You can see more of these on Terry's flickr stream.
The flip side of the cards has each PHP community members bio on the back (I don't think Terry managed to capture that).
It appears that Cal's print run had a glitch, as you can see from this pic:
Looks like Zak has yet another lookalike. At OSCON 2005, there were three Zaks: