I haven't seen Tripod in a long time, but you'll need a host that provides PHP and at least one MySQL database.
Slightly more detailed information is provided on the MyBB Wiki.
[Wiki: Requirements] (Broken link, head over to docs.mybb.com instead)
WHen you guys get the url thing fixed where it don't have to be long then I will get create my bb forum. Until then I will be sticking with vf11.com
We don't provide domain names, you need to purchase your own, or use a subdomain that your host should provide.