Keep in mind, I'm old school and I'm just plain old too...
Tiffany Rothe workouts,,,,short 10-15 minute workouts that leave you thinking "Is that it? I wanna do it again!" Find her on youtube
Suzanne Deason Pilates for Weight Loss, simple routine that is shown from 3 different stages in your pilates ability beginner intermediate and advanced
Suzanne Deason Stability/balance Ball for beginners
And there you have it, give it a try.