[blackice912]

Actually I just figured out you don't need access to httpd.conf

I made a .htaccess file (put it in the base folder of my site) with this:

RewriteEngine on
Options +FollowSymlinks
RewriteBase /
RewriteRule ^(.*)fid/(.*)$ $1forum/forumdisplay.php?s=&forumid=$2

And it works.
Example: I go to http://www.mysite.net/fid/2 and it calls the forum up in that funky way.

On my site I had to change the style so that every folder path was a FULL url. After I did that, I added a <BASE HREF="http://www.mysite.net/forum/"> to make all links point to the real forum folder.

Needs work, but heck.