Being a carless DC resident and therefore a frequent patron of public transport, I’ve been keeping my eye out for the American Humanist Association bus ads:
Disappointingly, I haven’t seen one yet. But today I saw one of the counter-ads. Evidently there are least two different organizations placing these now. The one I saw said this: “Believe in God. Christ is Christmas for goodness’ sake.” I feel uplifted now.
globalizati 
And that wasn’t enough to convert you on the spot?…jk.
I think a little creativity and ingenuity would do us all well.
-Sol
http://www.calebandsol.com