Wii Video 9 is a free video conversion application developed by Red Kawa. It allows you to convert your computer video files (like avi, divx, mpeg, etc.) into the specific video formats that are playable on the Wii.
Wii Video 9 can convert your videos into the Wii supported video format:
Wii Video 9 can also be combined with Videora, another software application, and together they can let you automatically download and convert video for your PlayStation 3 using BitTorrent and RSS technology.
You may download this updated version here