I finally let my son download the Internet Channel. I was hoping to adjust the parental controls I've read about via the Astaro Wii Content Filtering Portal but the Opera browser did not come with the portal.
1. Go to http://opendns.com
2. Click on tab "Use Opendns"
3. Under OpenDNS Basic, click on "Sign Up"
4. Register (you must confirm through an email sent to your email account)
5. From this page https://store.opendns.com/setup/ click on "Computer"
6. Underneath others, click on Wii. This page will tell you how to configue your wii settings.