That is an image cut and pasted from an Iranian website and it’s a depiction of the Prophet Mohammed.
Not too long ago, a cartoonist posted a sarcastic cartoon, and she became the target of death threats. Real threats, not imagined. She got seriously spooked and backed off, but others took up her cause. Why should anyone in the blogosphere need to cower to those who want to squelch the Freedom of Speech?
So in support of The First Amendment, here’s my contribution to Everybody Draw Mohammed Day.