I recommend everyone take 15 minutes and look up a guide to configure a 6to4 address on any interface they have with a public IPv4 address. Try with the anycast address first, and if that doesn't work get a tunnelbroker account. My opinion is all these problems can get solved over time only when everyone is first connected to the network. (there are some guides to setting up a gateway for your 'private' hosts, like this: http://74.125.93.132/search?q=cache:gX-Stzp_WdgJ:www.anyweb....)