Animal Crossing Crazy

The first Doubutsu no Mori movie created and released in Japan. You can visit the official website here: http://www.doubutsunomori-movie.jp/index.html, and discover it for yourself! The movie consists of many familiar characters and is cartoon-animated. Also, a five-minute preview can be viewed here: http://www.veoh.com/browse/videos/category/animation/watch/v1075578FmZgwyQa. (It's in Japanese, though.)

Synopsis copied from: http://www.animenewsnetwork.com/encyclopedia/anime.php?id=6581
Ai is a self-reliant girl that moves to Animal Village. She makes friends with the various villagers as she settles into the village. One night as she walked along the beach, she finds a message in the bottle. It sets her off on a quest of planting pine trees around the village to fulfill a miracle on the eve of the Winter Festival.