Autoshite.com has a thread about hearses, and some unusual funeral cars were there

First the Fiats 

Citreon

Best for last

All found on http://autoshite.com/phpbb3/viewtopic.php?f=1&t=15487

Funeral cars, flower cars, ambulances etc etc are all included in the Professional Car Society http://www.professionalcarsociety.org/forums/showthread.php?t=10919