Old news, but:

Arlington mosque fears vandalism may be linked to Ground Zero plan

Hundreds of worshipers attend Friday prayers at the Dar El-Eman Islamic Center in south Arlington.
This past Friday, they were greeted by stick figure graffiti in the parking lot, depicting Uncle Sam sexually assaulting Allah.
Then early Sunday morning, someone torched the children’s playground behind the mosque.

And of course, the comments are… something.