Wunderbar! That works perfectly, now I can have relevant headers for my forum. The only problem is, all pages (except my forum categories) have no header.
I replaced:
HTML Code:
"<img src="{vb:stylevar titleimage}" alt="{vb:rawphrase x_powered_by_vbulletin, {vb:raw vboptions.bbtitle}}" />
With:
HTML Code:
<img src="./images/logo/logo-{vb:raw GLOBALS.foruminfo.forumid}.jpg" alt="" />