Ive seen this a few places on the net, but I figured the PN forums could maybe use one.
Basically, it allows the Mii characters on your wii to mingle to other consoles. You need to add other consoles first, and you need your wii console number...instructions are here....
http://blog.mattyw.co.uk/2007/04/mingle-with-mii.htmlMy console is 5837 9904 1371 2986
Perhaps I will be shot down, but who knows!