User-agent: zibber-v0.1(www.zibb.com/crawler/)
Disallow: /
User-agent: zibber v0.1 
Disallow: /
User-agent: zibber
Disallow: /
User-agent: HTTP/1.1 zibber-v0.1(www.zibb.com/crawler/)
Disallow: /
User-Agent: *
Disallow: /*.gif$
Disallow: /*.png$
Disallow: /*.jpg$