User-agent: Mediapartners-Google*
Disallow: /cgi-bin/ 
Disallow: /images/ 
Disallow: /pimages/
Disallow: /protected/

User-agent: Yahoo
Disallow: /cgi-bin/ 
Disallow: /images/ 
Disallow: /pimages/
Disallow: /protected/

User-agent: WebCrawler 
Disallow: /cgi-bin/ 
Disallow: /images/ 
Disallow: /pimages/
Disallow: /protected/