User-agent: msnbot
Crawl-Delay: 1020
Disallow: /*.pdf$ 
Disallow: /*.jpg$
Disallow: /*.gif$

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

User-agent: msnbot-media
Disallow: /

User-agent: psbot
Disallow: /

User-agent: FusionBot
Disallow: /

User-agent: TurnitinBot
Disallow: /

User-agent: asterias
Disallow: /

User-agent: holmes
Disallow: /

User-agent: Baiduspider
Disallow: /

# yahoo
User-agent: Slurp
Crawl-delay: 5

User-agent: VSpider
Disallow: /

User-agent: Speedy
Disallow: /