It is possible to change the forum style by changing the template. This is done by going to your profile > http://www.retrobike.co.uk/forum/profil ... ditprofile
scrolling down to 'Board Style' and changing the style using the drop down.
Styles available are as follows
The default template. Compact navigation consistent with rest of site. google search bar. Minimum width.
The original retrobike template. Large navigation. No min width.
Compact template. No logo. Small navigation. No adverts.
Ideal to fool pesky bosses. Logo and title vaguely IT related.