Alternate Happy Ending?
Found these two very odd commercials from Japan -
http://youtu.be/QQi5deNqx6g
http://youtu.be/HjRV2XmOu5c
The first one is interesting because it features a sequence not in the actual film. Now, of course it's possible that this sequence was exclusively animated years later to advertise potato cream soup (my mind boggles at the free association going on here - I guess the Snowman looks like a flying potato?) but the other possibility is that this was intended as a happy ending to the film. Perhaps it was created for certain territories that prefer happy endings to children's films but was ultimately never used. And then it was dug up to advertise soup? I laugh as I type that, but still, it's possible.