User-agent: Googlebot
Disallow: /images

User-agent: ia_archiver
Disallow: /images

User-agent: msnbot 
Disallow: /images
Crawl-delay: 30

User-agent: Slurp
Disallow: /images
Crawl-delay: 30

User-agent: *
Disallow: /

User-agent: IRLbot 
Disallow: /