User-agent: *

Disallow: /images/
Disallow: /textpattern/
Disallow: /gfx_layout/
Disallow: /plugins/
Disallow: /cgi-bin/
Disallow: /impressum/

User-agent: Googlebot
Disallow: /*.gif$

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

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