Anyone have any suggestions on where to find good free mp3 workout routines for just plain ol walking or running around outside? My wife and I carpool to work and unfortunately our hours are different by a few hours. I work from 8-5 most days and she works 10-7 most days, so she has about 2 hours to kill in the morning and I do at night. I'm a bit of an artist so have been using that spare time every day to do sketches, sculpey modeling and taking digital texture photos around the city to later upload on turbosquid for a little profit... but I'm thinking it might be the perfect time to do a little 30 minute workout or something just walking around the blocks or jogging or something. Probably walking more than jogging since I probably won't have time to change out of my work clothes (I work in an office). I'm already walking on my two 15 minute breaks at work and doing a 30 minute wii routine at night. This would be a little add on to all of that. I'm looking for either some light little mp3 type routine that would work well on an mp3 cd player... probably something aerobic since I wouldn't have any excercise equipment with me other than myself. Pushups would also be a bad idea since it's a pretty dirty city and I don't want to put my hands on the sidewalks. Same issue with setups. going up and down stairs might work though since there's a parking garage nearby that has a stair well in it...