<http://schema.org/image>
<http://rack.0.mshcdn.com/media/ZgkyMDEyLzEyLzA0LzI5L3NlY3VyaXR5ZmxhLmI4Ny5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/e460b67f/526/security-flaw-found-in-tumblr-company-says-it-s-now-fixed-a877dfed30.jpg>
<http://mashable.com/2011/03/19/tumblr-security-flaw/>