Header da;

Bulun

<td align="$stylevar
"><a href="$vboptions[forumhome].php?$session[sessionurl]"><img src="$stylevar[titleimage]" border="0" alt="$vboptions[bbtitle]" /></a></td>
bununla değiştirin

<td align="center"><a href="$vboptions[forumhome].php?$session[sessionurl]"><img src="$stylevar[titleimage]" border="0" alt="$vboptions[bbtitle]" /></a></td>