wii help

[dannyboy]

ive been lookin at news groups and i see theres files for the wii
looks like this
Games: Wii VC Art Style Rotohex PAL PROPER Wiiware Wii OneUp
when u down load it it comes as a wad file
how do u go about using these files
ie is the will got to b chipped or moded
any help will b apreciated cheers dannyboy