User-Agent: *
Disallow: /log/
Disallow: /images/

User-Agent: Googlebot
Disallow: /log/
Disallow: /images/

User-agent: baiduspider
Disallow: /

User-agent: Yeti
Disallow: /

User-agent: Googlebot-Image
Disallow: /

User-agent: Yahoo-MMCrawler
Disallow: /

User-agent: psbot
Disallow: /