The prophet Muhammad, peace be upon him, gained many followers because his new religion allowed them to raid caravans with the blessing of Allah [source: Why I Am Not a Muslim by Ibn Warraq].
To honor the prophet, there are people all over the spheres drawing Muhammad today. Here is my contribution (this is not Facebook):
Muhammad leading his followers (left) in a raid on a caravan.
19 hours ago in The Phytophactor