As far as I know all the ads and commercials of Guinness are great. Take a look at this short movie, The Cloud made by The Mill for Guinness.
Hummingbird, a very nice CGI made commercial for Audi, done by VFX company The Mill. Commercial Behind the scenes
Google analytics in real life. Three funny commercials to promote google analytics.
Great commercial, done to promote the Danish Midttrafik Bus.
Art of Cooking is a serie of very simple and funny commercials for Ikea. Director of photography is Carl Kleiner, who also made this very nice nice series for Ikea.
Making of the commercial for Canon Pixma, bring color to life. Not only they made a commercial but also a print campaign.