RewriteEngine On
RewriteBase /
RewriteRule ^archiver/((fid|tid)-[w-]+.html)$ archiver/index.php?$1
RewriteRule ^forum-([0-9]+)-([0-9]+).html$ forumdisplay.php?fid=$1&page=$2
RewriteRule ^thread-([0-9]+)-([0-9]+)-([0-9]+).html$ viewthread.php?tid=$1&extra=page\%3D$3&page=$2
RewriteRule ^space-(username|uid)-(.+).html$ space.php?$1=$2
RewriteRule ^tag-(.+).html$ tag.php?name=$1