From The Official Star Wars Blog:
The 501st Legion’s Noel Green (TK-8541) can use your help to win the Chick-fil-A Cow Appreciation Day contest on Facebook! He is currently one of the leading candidates, and, if he wins, he has pledged to donate the potential grand prize, a year’s worth of meals, to his local New Mexico food bank. You can vote daily by going to the above link, then click "Vote" and "Highest Rated", and you’ll see the black and white Cow Trooper among the top contestants, voting ends on August 31st!