<http://schema.org/image>
<http://rack.2.mshcdn.com/media/ZgkyMDEyLzEyLzA0LzdhLzV3YXlzdG91c2VoLmQzUC5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/936974d8/743/5-ways-to-use-humor-as-incentive-for-homework-8caace7ee3.jpg>
<http://mashable.com/2012/10/12/humor-homework-children/>