Michelle Malkin has an extensive roundup of "cartoon rage" links here.

See also, Cartoon Rage vs. Freedom of Speech by Robert Spencer, and several posts at LGF today: Danish Islamists Fake Cartoons, British Muslims: "Kill Those Who Insult the Prophet Muhammad" and Muslims Raging Over Cartoons.

See also: Daily Ablution: An Awakening Europe Reacts - Spineless UK Press Doesn't

Here at home, see Cartoons, Image Problems, Forward: Letter From Copenhagen, Free Muslims on the Cartoons, and ADL: Anti-Semitism in Arab Media.

Oh, and the Sandmonkey has more here, here, here and here.