User-agent: *
Disallow: /cgi-bin/
Disallow: /imgs/
Disallow: /css/
Disallow: /img/
Disallow: /phpbb3/
Disallow: /plesk-stat/
Disallow: /picture_library/

#disallow indexing specific file types
User-agent: *
Disallow: /*.gif$

User-agent: *
Disallow: /*.jpg$

User-agent: *
Disallow: /*.png$

User-agent: *
Disallow: /*.ico$