Lindsey in Texas acknowledges that these are probably supposed to be rays of light, but it sure does look like quotation marks. Maybe they are trying to communicate that if you come in the church, you won't actually be crucified. It's just a symbol, folks.
I don't usually post the following: newspaper headlines, personal email, craigslist postings, unprofessional websites. I also tend to not crosspost things from other blogs, since I have so much unique material waiting for me to get to it.
Things I see a lot: silica gel "do not eat"; hair dryer labels; inside the bus "do not drill"; Wal-mart sign about IDs; coffee machine with "2" cup sizes; employees must "wash hands".