User-agent: msnbot 
Disallow: /categories
Crawl-delay: 120

User-agent: googlebot 
Disallow: /categories
Crawl-delay: 120

User-agent: Slurp
Crawl-delay: 60

User-agent: *
Disallow: /ad_inventory
Disallow: /ads
Disallow: /backup
Disallow: /dev
Disallow: /discuss
Disallow: /images
Disallow: /inventory
Disallow: /mt
Disallow: /private
Disallow: /refer
Disallow: /templates
Disallow: /templates_c
Disallow: /test
Disallow: /utilities
Disallow: /new
Disallow: /wp
Disallow: /yahoo