Please donate. Whether it's your time, money, or influence. The donation box at McDonalds does go to an amazing charity. Ronald McDonald Camp brought light during some very dark times for my family. It also helped my family wake up from the JW stupor we were in, by seeing the goodness of "worldly" people.
Make-A-Wish is another great one. My family has been awarded a disney cruise that we will be going on early next year. There is also Alex's Lemonade Stand, and SuperSibs to name a few. You can also help your local children's hospital.