having a blog as my main site

[#1]

okay, more noob help needed please
i have a forum set up in my ccgi.usrname.plus space,and have a domain setup eg www.mydomain.co.uk/forums
i havent got a main site under www.mydomain.co.uk nor have i managed to get a redirect script to work to get to www.mydomain.co.uk/forums
but i have a blog that id like to use as my main site,  eg www.myblog.wordpress.com
any one able to give me an idiots guide to get the blog as the main site?
thanks in advance for any help, and the more idiot proof the better 

[#2]

If all you want to have under your www.domain.co.uk is your forums you can point your domain straight to the cgi server.
Raise a ticket to support and ask them to point www for your domain to the cgi server.

[#3]

sorry, scratch that, ive uploaded wordpress, but it wont install, after telling me i have to change to 755 which i do, it then creates a 500 error, so i have to check the logs and see whats up 

[#4]

http://community.plus.net/forum/index.php/topic,59525.msg485349.html#msg485349