User-agent: Mediapartners-Google
Disallow:

User-agent: Googlebot
Disallow: /*?
Disallow: /*.gif$
Disallow: /*.jpg$
Disallow: /*.jpeg$
Disallow: /*.pjpeg$
Disallow: /*.txt$
Disallow: /*.swf$

User-agent: *
Disallow: /*?
Disallow: /*.gif$
Disallow: /*.jpg$
Disallow: /*.jpeg$
Disallow: /*.pjpeg$
Disallow: /*.txt$
Disallow: /*.swf$
Disallow: /cgi-bin/
Disallow: /_private/
Disallow: /_vti_bin/
Disallow: /_vti_cnf/
Disallow: /_vti_log/
Disallow: /_vti_pvt/
Disallow: /_vti_txt/