User-agent: Mediapartners-Google* 
Disallow: 

User-Agent: Googlebot
Disallow: /*.jpg$
Disallow: /*.gif$

User-agent: NPBot
Disallow: /

User-agent: psbot
Disallow: /

User-agent: fast
Disallow: /

user-agent: szukacz
disallow: /

User-agent: baiduspider
Disallow: /