Newfreescreensavers.com is a website with an ever-growing collection of free screensavers for Windows and Mac and wallpapers on different themes:  waterfalls, Christmas, flowers, 3D screensavers, St. Valentine’s Day, Thanksgiving Day, abstraction, aquarium, etc.  

Today a screensaver is a beautiful image used to decorate a monitor. Initially a screensaver is a type of computer program designed to prevent damage to CRT and plasma computer monitors by blanking the screen or filling it with moving images or patterns when the computer is not in use. The screen saver starts automatically if your computer is idle for a specified amount of time.