Once installed, you can right-click on the quicklauch icon and open the menu which gives you access to: preview, launch, configure, change, disable and set default screensaver. You can configure the images, artistic effects, background, sticky notes, audio etc.
Pluses: You can set as wallpaper any of the images provided in the screensaver and you can enable sticky notes: a message will be displayed while running the screensaver.
