Earth and Moon screensaver provides dramatic views from high above the Earth. Rotate 21 different photos Earth and lunar shots. The program is powered by an excellent screen-saver engine, which lets you adjust the time between slide changes, show pictures full-screen or at original size, mute the relaxing MIDI-based soundtrack, use up to 23 transition effects, and take advantage of Microsoft Plus! support. Desktop- and tray-based screen-saver utilities -- which work with any Windows screen saver -- are included as a bonus. You may run this nag-free trial version up to one week before purchase is required to continue.