you must have downloaded windows 7 DreamScene activator. search for it on google if you have not. download the youtube video using the link i posted from zamzar.com. save it to your desktop. make sure you run the DreamScene activator and click 'enable dreamscene'. then right click the link to the saved video file on your desktop and click 'set as destop background' you should now have the hecarim login animation as your background.