hey, if people are windering about "wii homebrew" then there has already been a step in the right direction; www.wiicade.com !  

its a handy little website that will run on firefox or the wii opera browser, its packed full with nice flash games to play online designed especially for the band new nintendo wii! designed for simplicity these games work with a basic point and click system that is great to play on ur nintendo wii with the wii mote or with ur mouse on the pc. i expect great things for this website especally scince u can upload ur own  flash games.

www.wiicade.com ; check it out!