I'm on my way to work, but will post more for you later.
go to the website collagevideo.com
You can see sixty second previews of workouts.
You may like Prevention magazine Walk Your Way Slim-it's an indoor walking workout, that has three people, each doing a different intensity level
also check Charlene Prickett-Get the Fat off or "More Muscle Less Fat' excellent Canadian instructor-very chatty, but always informative. Easy to follow choreography
Or try Fat burning for Dummies
You can see all of these on video preview at Collage Video
Hope that helps-
"I can't change the world, but I can change the world in me. I rejoice!"-Rejoice by U2