Feeling a little subpar? Stuck in a mental bunker? The Ben Crenshaw Golf Screen Saver (ProTour Productions, $19.95) will drive away the blues. This lively program contains more than 25 images of important moments in Crenshawï¿½s life that pop up on your computer whenever it is idle; select your favorite or view them in random rotation. See Crenshaw sharpening his game at Austin High School and the University of Texas; relaxing with his golfing buddy and fellow Austinite Tom Kite and their mentor, the late Harvey Penick; and savoring the emotional moment of his 1995 Masters Tournament win. Then click on an icon to pull up detailed notes about each image, golf tips from Crenshaw, and facts on his 23-year pro career. The screen saver is on sale at golf and computer stores, through computer catalogs, and on Crenshawï¿½s World Wide Web site ( http://www.bencrenshaw.com).