The injunction against pictures of him is part of a wider injunction against idols. Muslims don't generally create realistic art for fear that the representatio

The injunction against pictures of him is part of a wider injunction against idols. Muslims don't generally create realistic art for fear that the representation could lead to temptation to worship a false idol, which IS against the book. Because of the source of the rule, pictures of Mohammed are especially forbidden, because they pose an extra risk of being worshiped.