I am going to attempt to connect my Wii to my wireless internet when I get home. But I have my router set to only allow certain mac addresses to connect and surf.
How do I see what the MAC address of my Wii is ?
To find your MAC address:
1) From the home screen, select the "Wii" button in the lower left hand corner.
2) From here, select "Wii Settings" which will be the on-screen button on the right.
3) On this screen, select the right arrow to advance to the 2nd set of settings.
4) Select the "Internet" option.
5) Select the "Console Information" option.
6) The MAC address will be listed under "USB Ethernet Adapter MAC Address".
Almost. Considering you're using a wireless router, I highly doubt you're interested in the MAC address of the "USB Ethernet Adapter" or even have one.
But you're in the right area. Here's the official how-to: