Interesting thought: while I can only speak for Christianity and Buddhism, there is a place for laughter and humor in both these religions. I never seen any in Islam. At least not a self deprecating humor.
Howsabout we retaliate?
Target: anyone who publicly advocates all this beheading; and that means ANYBODY.
WEAPONS:
Either a silenced .22 LR and headshots, OR a 250 lb. GPS-guided bomb—whichever floats yer boat.
(.22s are WAY cheaper—and no noise or air pollution.)