I usually browse through the list to find such vehicles: http://www.imcdb.org/search.php?resultsStyle=asList&sortBy=0&make=Fiat&model=600

Kiss Me Stupid: http://www.imcdb.org/vehicle.php?id=93436
The World of Henry Orient: http://www.imcdb.org/vehicle.php?id=132843
The Andy Griffith Show: http://www.imcdb.org/vehicle.php?id=225781