While I hear ya with the church and state thing.
Another great license plate story I always found quite funny was the New Hampshire deal

Prisoners in the New Hampshire state prison in Concord, New Hampshire, stamp license plates with the stateā??s motto: "Live Free or Die."
Neatorama Ā» Blog Archive Ā» Oh the Irony: New Hampshireā??s ā??Live Free or Dieā? License Plates Made By Prisoners

Maybe we can get the folks in California to get the petition for the first "It's always 420 Somewhere" plate:thumbsup: