I came across this today, a livery voted on by Airbus staff for the new Beluga large body transport aircraft that will take wing sometime this year. It's based on an A330.
(http://www.ngaugeforum.co.uk/SMFN/gallery/60/5634-190118192135.jpeg) (http://www.ngaugeforum.co.uk/SMFN/index.php?action=gallery;sa=view&id=60769)
Inspired by the fact that the aircraft is called 'Beluga', for rather obvious reasons.
Very clever, and as you say, makes you smile.