Windrop aims to be the most user friendly and fully featured wallpaper manager to date!. Pictures can be organised into specific groups and favourites can be specified. Windrop can automatically change the wallpaper at set intervals or at start-up, with an intelligent 'Random Cyclic' routine. Hot-keys allow quick cycling, you can even reverse cycle to previouspictures. There are options for centre, tiled, stretch and aspect lock stretch. Customisable image filters such as Sharpen, Smooth, Grey-scale and Re-sample can be applied to any pictures. Not only is Windrop a wallpaper manager, its a Screen Saver too!. Windrop supports BMP, JPG, GIF, TIF, PCX, WMF, and EMF picture formats.