User-agent: msnbot 
Crawl-delay: 500

User-agent: msnbot-media
Crawl-delay: 500

User-agent: *
Disallow: /wp-admin/
Disallow: /wp-content/plugins/
Disallow: /wp-includes/
Disallow: /feature_content/
Crawl-delay: 100


User-agent: Mediapartners-Google
Crawl-delay: 300