You want 1/24 zombies (what's with zombies, anyway)? Try here: http://www.darkworldcreations.com/
Now, back to the "real world". As for drivers, I kinow the 3 Inches Under does a couple of drivers: http://stores.ebay.com/3-inches-under/1-25-scale-figures-/_i.html?_fsub=2694627013&_sid=1392843&_trksid=p4634.c0.m322 One is a firefighter in full turn-out gear, and the other is modeled after Roy DeSoto from "Emergency!"