CactusView is an image viewer that is not just a tool to view an image. It is a tool that lets you do almaost any task on the image that any non-professional person needs. you can crop with a circular crop, set background colors and do so much that the viewer is almost an graphic editor. The NEXT and PREVIOUS is realtime, which means the order of diplay is tha same as the folder was sorted when the image was selected.