<http://schema.org/thumbnailUrl>
<http://nofilmschool.com/sites/default/files/styles/article_medium/public/uploads/2012/12/waveform-monitor-histogram-after-effects-adobe-e1368300847314.jpg?itok=IAlZTAxk>
<http://nofilmschool.com/2013/05/knowing-your-scopes>