All you have to do is donate $20 or more to PayPal and send a copy of your receipt to email@example.com with your commenter name. We are giving out badges until 5 pm today. After that, you will not be able to get a badge until next year. And did we mention it's for two great causes? It's true! So get to clickin'.
One last time, with feeling: Strangercrombie: Once a year, we do something good™.