User-agent: Googlebot-Image
Disallow: /

User-agent: googlebot
Disallow: /catalog/*.xls$
Disallow: /catalog/*.txt$
Disallow: /catalog/*.pdf$
Disallow: /catalog/*.pdf$
Disallow: /catalog/*.zip$

User-agent: msnbot
Disallow: /catalog/*.xls$
Disallow: /catalog/*.txt$
Disallow: /catalog/*.pdf$
Disallow: /catalog/*.zip$

User-agent: psbot
Disallow: /images/

User-agent: *
Disallow: /images/