1. A method of providing a picture composition guide on a display device of a camera, said method comprising the steps of: detecting settings of said camera; performing image analysis on an image being displayed on said display device, said image representing a photographic scene; determining the presence and location of strong features based on the result of said image analysis; selecting one or more markers dependent upon said camera settings and said strong features; and superimposing said one or more markers over said image on said display device.