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 nunal whacking party game with a variety of modes suitable for single players, mga kaibigan and family alike. linklinklink
I'm not sure if this is anything madami than pictures of the game. (as bidyo no longer work on my computer because it's useless -_-) But I think it has music from the game.