# Ban image crawlers and less popular search engines. 
User-agent: Googlebot-Image
Disallow: /
User-agent: Gigabot
Disallow: /
User-agent: Scrubby
Disallow: /
User-agent: Robozilla
Disallow: /
User-agent: Nutch
Disallow: /
User-agent: baiduspider
Disallow: /
User-agent: yahoo-mmcrawler
Disallow: /
User-agent: psbot
Disallow: /
User-agent: asterias
Disallow: /
User-agent: yahoo-blogs/v3.9
Disallow: /
# Permit google, yahoo, msn, but only slowly, and to speshul places. 
User-agent: *
Disallow: /spiders
Disallow: /product_images
Disallow: /xml
Disallow: /internal
Crawl-delay: 120