How do I watch videos on Wii?

Does anyone know how to watch all videos on the Internet Channel on Wii. All I can watch are the ones on youtube. Is there something specific that I need to do or get or am I going to have to wait to see if Nintendo releases an update for the Internet Channel?

http://www.killermovies.com/forums/375090_1-next-gen-console-discussions-official-thread