1. A method of rendering images in an augmented reality system comprising first and second body mounted devices each comprising a body mounted camera and a head mounted display, the method comprising: capturing a first scene image of a scene with the body mounted camera of the first body mounted device; displaying on the head mounted display of the first body mounted device a first image of a virtual object, the first image displaying the virtual object as being anchored to a first anchor surface within the captured first scene image in a first orientation that is appropriate for a wearer of the first body mounted device; and displaying on the head mounted display of the second body mounted device a second image of the virtual object, the second image displaying the virtual object as being anchored to a second anchor surface in a second orientation that is appropriate for a wearer of the second body mounted device.