To celebrate becoming the first airline to have 3 million Facebook fans, Southwest is offering discounted fares today and unveiling a new concept paint scheme for its FB fans. Check out SWA's blog about it.
Southwest clearly had a lot of fun creating this promotion and aircraft design.
In trying to find the image to copy here, I noticed if you click the blue aircraft (see below), the image is called Zuckerbird.jpg. (Photo credit: Southwest Airlines) It does have a ring to it, no?