User-agent: Mediapartners-Google*
Disallow:

User-agent: *    
Disallow: /galeria

User-agent: *
Disallow: /pot.php

User-agent: *
Disallow: /postal1.php

User-agent: Gigabot/2.0/gigablast.com/spider.html
Disallow: /

User-agent: BecomeBot
Disallow: /