1. A method provided by a computer tool that permits a user to modify an overlay item and place it over an image of a person, the method comprising: a) displaying a before picture representing the image of the person; b) displaying a set of overlay items for selection of one of the items by the user, the set of overlay items corresponding to an area of the person displayed in the before picture; c) displaying a selected one of the set of overlay items upon selection of the selected overlay item by the user; d) resizing the selected overlay item according to user input to align the size of the selected overlay item with the size of the area of the person; e) superimposing the resized selected overlay item on the before picture according to user input such that the item may appear to be worn naturally on the person; and f) providing an after picture representing a composite image of the superimposed selected overlay item over the image of the person: