Leaf Screensaver - Version 1.0 This is a free leaf inspired screensaver download created by TrendySavers.com. In this screensaver you will find 15 high quality images of random leaf imagesIn botany, a leaf is an above-ground plant organ specialized for photosynthesis.Leaves are also the sites in most plants where respiration, transpiration, and guttation take place. Leaves can store food and water, and are modified in some plants for other purposes. The comparable structures of ferns are correctly referred to as fronds. Furthermore, leaves are prominent in the human diet as leaf vegetables.