Natalie,
I have been doing Leslie Sansone's Walk at Home DVDs every morning and found they help my mood immensely! You don't have to get dressed up and go to the gym, just workout in a small room.

You really work up a sweat, and I've lost 10 lbs. since starting them. I'm better balanced, more energetic, and it is just a walking program with side steps, kicks, knee lifts, and adding arm movements. It is just paced quickly.

Anyone who needs to exercise might take a look at these!