Playing a video on Wii can get complex if you do not understand the basics of various file formats and if you dont know let me tall you that your Nintendo Wii can not recognize and play popular video file formats like DivX, XviD or MPG. So if you are the one who is desperate to watch movies or videos on Nintendo Wii you may have to encode this files in other format which can be readable by Nintendo Wii.
Easiest way to do this is to use Wii Video 9 software that lets you easily convert this file formats to playable format with just one click. What more? 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 Wii using BitTorrent and RSS technology.
Here is the Wii Video 9 review and demo for you:
You can download Wii Video 9 here