Happy as a pig in... anywhere?

They always look happy. They are always smiling. Even when they are asleep. Even when they are snoring. (All except for one noisy guy, right at the back, squealing away. No apparent reason. Just being pig-noisy.)

More animals and California State Fair pictures here:  http://www.flickr.com/photos/alisontoon/collections/72157634626505496/