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

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

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