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

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

User-agent: Googlebot
Disallow: /*.png$

User-Agent: Googlebot-Image
Disallow: /

User-agent: Slurp
Disallow: /

User-agent: searchpreview
Disallow: /

User-Agent: msnbot
Disallow: /

User-Agent: ia_archiver
Disallow: /

User-Agent: nabot
Disallow: /

User-agent: TurnitinBot
Disallow: /

User-agent: Teoma
Disallow