User-agent: Mediapartners-Google* 
User-agent: Googlebot-Image
User-agent: yahoo-mmcrawler
User-agent: psbot
User-agent: yahoo-blogs/v3.9
User-agent: * 
# Begin Exclusion From Directories from robots.txt
Disallow: /flash/ 
Disallow: /scripts/
Disallow: /productos/
Disallow: /images/