Well, that doesn't mean I can't, does it?

I don't see how it justifies me from been allowed to or not.

Greetings, I am new around here and (yes this may be a little too picky) I have noticed that on the forums, some things that could be improved.

Take a look yourself, I feel they should be corrected as it is an easy task on PHPBB, and many other forum systems these days.

I also feel that certain ...

Actually, InvisionBoard has a free version, which you can upgrade to the pay version. That website that you are been directed to is InvisionFree, not the place where you can download the PHP script and host it remotely.

InvisionFree allows people who are not familiar with things such as FTP, MySQL ...