In case you’re not familiar with him (her?), check out the Complimenting Commenter:
The Complimenting Commenter: Give the gift of a compliment.
When you give a compliment you make people smile. So go out and compliment someone today.
I’ll make the challenge even better – find someone you disagree with who has written a well written, well reasoned post and compliment them. Less pies in Ann Coulter’s face and more rational argument.