#To block all Bots to index the images- and the thumbnail-folder
User-agent: *
Disallow: /images
Disallow: /thumbnails 
Disallow: /doc
Disallow: /janet
Disallow: /pimg_up
Disallow: /watermarks
Disallow: /tmp
Disallow: /admin
Disallow: /originals
Disallow: /includes

Disallow: /mary
Disallow: /cgi-bin

User-agent: Googlebot-Image 
Disallow: /

#ms preview stop
User-agent: searchpreview
Disallow:/