You can add any of the following to your list:
(in alphabetical order for easy reading & searching
Code:
Disallow: /forums/admincp/
Disallow: /forums/archive/
Disallow: /forums/ads/
Disallow: /forums/attachments/
Disallow: /forums/cgi-bin/
Disallow: /forums/clientscript/
Disallow: /forums/cron.php
Disallow: /forums/cpstyles/
Disallow: /forums/customavatars/
Disallow: /forums/customeprofilepics/
Disallow: /forums/calendar.php
Disallow: /forums/editpost.php
Disallow: /forums/faq.php
Disallow: /forums/gab_redirect.php
Disallow: /forums/geek/
Disallow: /forums/includes/
Disallow: /forums/install/
Disallow: /forums/ioncube/
Disallow: /forums/image.php
Disallow: /forums/joinrequests.php
Disallow: /forums/login.php
Disallow: /forums/member.php
Disallow: /forums/modcp/
Disallow: /forums/newthread.php
Disallow: /forums/newreply.php
Disallow: /forums/online.php
Disallow: /forums/postings.php
Disallow: /forums/printthread.php
Disallow: /forums/payments.php
Disallow: /forums/profile.php
Disallow: /forums/private.php
Disallow: /forums/register.php
Disallow: /forums/reputation.php
Disallow: /forums/report.php
Disallow: /forums/signaturepics/
Disallow: /forums/subscription.php
Disallow: /forums/sendmessage.php
Disallow: /forums/testvb/
Disallow: /forums/tags/
Disallow: /forums/threadrate.php
Disallow: /forums/usercp.php
Disallow: /forums/poll.php
Disallow: /forums/sendmessage.php?do=
Disallow: /forums/search.php
Disallow: /forums/showgroups.php