In the last years of his life, Buster Keaton appeared in any number of films, commercials and TV shows that were not wonderful. In 1963, he starred in The Triumph of Lester Snapwell, a 21-minute promotional film for the Kodak company. It's basically a history of amateur photography, culminating in the modern era where everyone can own the ultimate camera…the Instamatic! As later Keaton efforts go, it's not as bad as some of them…