User-agent: Mediapartners-Google*
Disallow: 

User-Agent: Googlebot-Image
Disallow: /
User-agent: psbot
Disallow: /
User-agent: Yahoo-MMCrawler
Disallow: /

User-agent: Googlebot
Disallow: /*.jpg
Disallow: /*.gif

User-agent: *
Disallow: /discussion/search.php
Disallow: /discussion/profile.php
Disallow: /discussion/lookback.php
Disallow: /discussion/del.php
Disallow: /discussion/edit.php
Disallow: /discussion/myprofile.php
Disallow: /discussion/newpoll.php
Disallow: /discussion/post.php
Disallow: /discussion/prevedit.php
Disallow: /discussion/preview.php
Disallow: /discussion/prevpoll.php
Disallow: /discussion/lookback.php
Disallow: /discussion/send.php
Disallow: /discussion/sendedit.php
Disallow: /discussion/sendpoll.php
Disallow: /discussion/vote.php
Disallow: /guestbook/sign.php
Disallow: /guestbook/verify.php
Disallow: /guestbook/thanks.php
Disallow: /guestbook/stats.php
Disallow: /stories/sendin.php
Disallow: /stories/preview.php
Disallow: /stories/thankyou.php