I installed PHPNuke one time, I prefer Mambo more so but connecting a forum to it can be trouble so PHPNuke will work (they can be easily hacked though)
http://squadsw.t35.com is your website by the way (no www.)
And if you want to install PHPNuke you must first get a database. A good free one for stuff like phpNuke is
www.hotsql.com. Sign up for one there and I will provide you with further steps for the instalation.
P.S. Make sure you sign up for a MySQL database
