User-agent: psbot
Disallow: /

User-agent: Googlebot-Image
Disallow: /AMG_folder/
Disallow: /images/
Disallow: /Site_Images_folder/

User-agent: *
Disallow:  /cgi-bin/
Disallow: /AMG_folder/
Disallow: /scgi-bin/
Disallow: /images/
Disallow: /Li_folder/
Disallow: /forms/
Disallow: /private/
Disallow: /Site_Images_folder/