Here are my current three favorites!
Swedish beer and Irish beards (wrong pipes at the end though 
):
http://uk.youtube.com/watch?v=ajSVMGxdqq8
Same as above but for the Russian market 
http://uk.youtube.com/watch?v=oyVknt1kuS8
Norwegian oil company Hydro - young engineers
http://uk.youtube.com/watch?v=hlczxXqez-Y
Cheers!
/MarcusR
Work it out for yourself.
http://www.youtube.com/watch?v=7zba76ZLGm4
Mukade
Any Ipren commercials (headache pill).
Most of them are only really funny if you know Swedish, but here’s one for all:
http://www.youtube.com/watch?v=N-9BKuCo0Uc
(unfortunately, to really appreciate this one you should have seen the previous ones in Swedish first, but it’s funny anyway)