Do it! Please? Please do it?
You can go to a myriad of differrent websites and resources, find thousands of different (and sometimes conflicting) diet/exercise ideas, and they might work. It seems, though, that they all share the same notion: Eat right and get active. You don't need a lecture on what that means. Try some fruits, they're tasty. Get outside, jog – you'll feel better.
To be quite honest, we're not a campaign focused on diet and exercise. Again, we're bigger proponents of just switching some less healthy food with healthier ones, and getting active by jogging or stretching. Keep it simple. Still, if you're looking for a tour guide, check out About.com's Fitting in Exercise.