htaccess problems and misc. observations

I have installed this mod, and look forwards to the results.

I have had a problem with the static url part, unfortunately. The problem is this:

1. Do I have to create the *.access files, because I do not seem to have them.

2. I am running 2 websites from one common webspace. I do this by having 2 seperate domains, one using the webspace root, and one going to a sub-directory within the root. Would the *.access files affect both domains? If they do, I will install the mod for both my boards, although I only really need it installed on one.

3. I read that the edits to the sessions.php will prevent guests from posting on my site, but after installation I have been able to post as a guest! Have I done something wrong?

Many thanks in advance for any reply/help you can offer.

I am running phpBB2 version 2.0.11 on both my boards.