This wooden sculpture in the Church of Our Dear Lady in Dendermonde, Belgium depicts Mohammed on the ground, clutching the Koran, being trampled on by angels. It represents the triumph of Christianity over Islam and it was carved in the 17th century by Mattheus van Beveren. (Source-Faces of Muhammad)
Hat Tip: Jawa Report
This medieval drawing of Mohammed showing his entrails to Dante and Virgil is from one of the earliest surviving illustrated manuscripts of Dante's Inferno, dating from the 3rd quarter of the 14th century. (Source-Faces of Muhammad)
Hat Tip: Ghost of a Flea
More Muhammad photos can be found here.
Original story regarding Yale's capitulation here.