1. A handheld digital camera, comprising: a processor; a digital memory in communication with the processor; a view-screen in communication with the processor and configured to present images from the field-of-view of the camera; a plurality of files stored in the digital memory; and a user interface executable by the processor, the interface configured to be presented on the view-screen to enable creation of overlays and selection of overlays from the plurality of files, the resulting overlay having a user-assignable opacity level and configured to be depicted on the view-screen in conjunction with image data corresponding to the field-of-view of the camera such that the opacity of the overlay affects the presentation of the image data on the view-screen.