User-agent: Yahoo Slurp
Disallow:

User-agent: Netcraft
Disallow:

User-agent: Mediapartners-Google
Disallow:

User-agent: Adsbot-Google
Disallow:

User-agent: Googlebot-Image
Disallow:

User-agent: Googlebot
Disallow:

User-agent: *
Disallow: /