User-agent: *
Disallow: /images
Disallow: /wp-content/themes/blue/images
Disallow: /wp-content/themes/green/images
Disallow: /wp-content/themes/orange/images
Disallow: /wp-content/themes/pink/images
Disallow: /wp-content/themes/purple/images
Disallow: /wp-content/themes/red/images
Disallow: /wp-content/themes/yellow/images