The Jelliest Jellyfish Screensaver - Version 1.1 The Jelliest Jellyfish is an absolutely breathtaking look at one of the sea's most beautiful creatures, the jellyfish. See the jellyfish as you never have before with this screensaver of amazing photographs. These pictures were selected by judges as the best of the best in jellyfish photography. The Jelliest Jellyfish is a free screensaver created by RateMyScreensaver.com.