This is actually the Xbox live arcade version (one that wasn't finished) and I've heard the game is not really like this on wii, however the graphics haven't changed. So the graphics in the video will mostly what you'll get in the wii version too.
Happy Hammerin is a fun packed toupeira whacking party game with a variety of modes suitable for single players, friends and family alike. linklinklink
I'm not sure if this is anything mais than pictures of the game. (as vídeos no longer work on my computer because it's useless -_-) But I think it has música from the game.