As captivating as paper shadow and nature patterns can be, why not download awwww-inducing screen savers from the movie Must Love Dogs? Yes, I realize it's more than a couple years old and, yes, I also realize that many of you probably never saw it – all the more reason to check these pups out now. Their adorable, slobbery faces make it hard to walk away from your computer when it goes idle, and even harder to start working again. Best yet, they're free for both Mac and PC!