This is a couple of years old, but I still like it. It was done for Italy, and the thing I like most is I had lots of freedom and control over it, there was a straight line, from the black and white storyboards to the final animation, I got involved in all the process (except for the actual animation): I did character designs, boards, and final artwork with Illustrator (can't remember the version).
And here's the final ad: