HOGANAS, Sweden (CNN) -- Swedish artist Lars Vilks says all he's doing is taking a stand in the name of artistic expression. But because of that stand, on this afternoon he's lying low -- on the ground, in fact -- looking for bombs under his car. Lars Vilks says if people don't like his artwork, then "don't look at it." Al Qaeda has put a $100,000 price on his head and offered an extra $50,000 for anyone who murders him by slitting his throat after the eccentric artist and sculptor drew a cartoon depicting the Prophet Mohammed as a dog....