This might not work if you live in rural areas.But i'll try to help you connect through via access point.In other words free legal internet connection.
Head to your Wii menu and click on the lower left icon.It says "Wii Options".
Click on "Wii Settings".
Next scroll over to "Internet" and click.
Next click on "Connection Settings".
Then Click on "Wireless Connection".
Click on "Access Point"
Choose search for Access Point Then your Wii should search for a wireless point. Then click on an unlocked connection.(Red,Yellow,Or Green)
Test the connection and your done.