In December 2010, YouTube announced that holders of standard accounts would be allowed to upload videos of unlimited length, provided that they have a good history of following the site's Community Guidelines and policy on copyright.
First check what system menu version you have (go to wii settings, and check the system version at the top right of the screen) and make sure your wii is 3.2 or lower (3.3 and up block the trucha signing bug which enables backups to be played) Basically you just run the included cIOS patcher from the homebrew channel and the backup launcher from the homebrew channel. I'm a bit out of the loop since I use 3.1 system menu and this loader, if someone wants to contribute something recent, feel free. ONLY BURN BACKUPS ON DVD-R! DVD+R DOES NOT WORK WELL! Download : Here