My first thought: Wow, too dark - And thats my thought, doesnt have to be changed if you like it yourself :)
Got some stuff you should improve:
Forum directory.
As it is now, it shows yoururl.co.uk/upload/
You should change the map's name to forum. Not a big deal, but looks better in the url ;)
Also, you should fix your activation email.
This is how it shows:
To complete your registration, please visit this URL:
/upload/register.php?a=act&u=77&i=83058337
<a href="/upload/register.php?a=act&u=77&i=83058337">America Online Users Please Visit Here to be Activated</a>
**** Does The Above URL Not Work? ****
If the above URL does not work, please use your Web browser to go to:
/upload/register.php?a=ver