Lassen Volcanic Screen Saver 800x600 Cost: $5 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Lassen Volcanic Screen Saver 800x600: A slide show screen saver featuring 20 breathtaking photographs of Lassen Volcanic National Park in California. This version of the Lassen Volcanic saver is designed for use with a monitor resolution setting of 800x600 pixels.