Victoria's Secret Model's Full-Body Workout (10 Minute Video). no machines necessary! No excuses either ;D
Minka Kelly's treadmill workout: 1 minute at 5.0, 1 minute at 5.5, 1 minute at 6.0, 1 minute at 6.5, 1 minute at 7.0, 1 minute at 7.5, 1 minute at 8.0, 2 minutes at 4.5 Repeat five times. Love this, did this last year when I was training for a 5K and I lost like 8lbs in one week, running this every two days. :) It really works! Great way to loose weight fast!
400 Calorie-Burning Walking Interval Workout--I think I might double the speed to make it a run!