Ancient Trees Screen Saver features crisp photographs of ancient Bristlecone Pine trees. The featured selection includes images of old, knarled trees, captured in some of the most remote mountains of the American West. The relaxing slide show presentation allows user control of transition timing, audio and 23 selectable effects. The control engine also permits users access for controlling features of other system screen savers. Images in the Screen Saver include: Bristlecone Pine _ White Mountains California; Clinging Bristlecone Pine _ Twisted Forest near Cedar Breaks NM; Court of the Ancients _ White Mountains _ California; Dolomite Ridge _ White Mountains Bristlecone Pine Forest _ California; Exposed Bristlecone Pine _ Mount Washington _ Great Basin NP; Giant Bristlecone Pines _ Grafton Peak _ Nevada; Line of the Ancients _ Bristlecone Pine _ Wheeler Cirque _ Great Basin NP; Mount Washington Hula Bristlecone Pine _ Great Basin NP; Narrow Ribbon of Bark Sustains Weathered Bristlecone Pine _ Great Basin NP; Stalwart Surviving Bristlecone Pine _ Wheeler Cirque _ Great Basin NP; and many other uniquely interesting Ancient Bristlecone Pines. Each photograph is formatted at 640x480 pixel resolution which economizes file size and optimizes presentation smoothness for relaxed viewing. Purchase allows permanent enjoyment of this uniquely beautiful screen saver.