build a new scene, with the help of VRML authoring tools;
launch Screen Saver properties and select the Playlist tab;
drag'n'drop your VRML file to the Playlist.
Moreover, you can make a created scene available for other users. We will add your file to the Scene of The Day collection.
Please, contact us by e-mail: support@parallelgraphics.com
Try VRML authoring tools from ParallelGraphics to create exciting content for your Screen Saver: