Leslie Sansone's Walk Away Your Waistline DVD is a good exercise program to follow if you want to bump up your current walking workout to the next level.  Included with this DVD is the Walk Belt, a belt designed to fit around your waist with resistance bands attached.  This DVD will take you on up to a 3-mile walk - you can decided where in the program you want to stop.  Leslie has a walking meter that displays when you reach different milestones in your walk (1 mile, 2 miles and finally 3 miles).  Each mile lasts about 15 minutes, so you're going at a pretty good pace.  She also includes...