Setting 'loop','true' makes the movie play over and over
Setting 'loop','palindrome' makes the movie play forwards then backwards over and over
Setting 'cache','true' prevents the movie from reloading when the page reloads or another page references the same movie (can also be set by cache). The default setting is set with the QT Control Panel by the user
Setting 'cache','false' forces the movie to reload when the page reloads or another page references the same movie