These are the rules I'm using right now, definitely not the most efficient way of doing it, but without recoding a lot, it works well..i'm not really worried about CPU usage...and that's the only downside
RewriteEngine On
RewriteLog "/home/cpfaq/public_html/rewrite.log"
RewriteLogLevel 2
Options +FollowSymLinks
RewriteRule ^/([0-9]+)/([0-9]+)\.html
/index.php?aktion=artikel&rubrik=$1&id=$2&lang=en [L]
RewriteRule ^/[Ss][Ii][Tt][Ee][Mm][Aa][Pp]([0-9]+)\.html$
/index.php?aktion=sitemap$1 [L]
RewriteRule ^/[Ss][Ii][Tt][Ee][Mm][Aa][Pp]\.html$ /index.php?aktion=sitemap
[L]
RewriteRule ^/([0-3][0-3][0-9])/[Ii][Nn][Dd][Ee][Xx]\.html
http://www.cpanelfaq.org/index.php?akti ... &rubrik=$1 [L]
ReWriteRule ^/[Ss][Hh][Oo][Ww][Cc][Aa][Tt]\.html$ /index.php?aktion=anzeigen
[L]
ReWriteRule ^/[Ss][Ee][Aa][Rr][Cc][Hh]\.html$ /index.php?aktion=search [L]
ReWriteRule ^/[Aa][Dd][Dd][Cc][Oo][Nn][Tt][Ee][Nn][Tt]\.html$
/index.php?aktion=add [L]
ReWriteRule ^/[Aa][Ss][Kk]\.html$ /index.php?aktion=ask [L]
ReWriteRule ^/[Oo][Pp][Ee][Nn]\.html$ /index.php?aktion=open [L]
ReWriteRule ^/[Hh][Ee][Ll][Pp]\.html$ /index.php?aktion=hilfe [L]
ReWriteRule ^/[Cc][Oo][Nn][Tt][Aa][Cc][Tt]\.html$ /index.php?aktion=kontakt
[L]