Here Is A Wonderful Tool to  Annotate Images and Videos and Create Interactive Content to Use in Class | iPads, MakerEd and More  in Education | Scoop.it
ThingLink Edu is one of the best web tools you can use to annotate images and videos and create media rich visuals to share with your students in class. ThingLink enables you to add different layers of interactivity to your content. There are actually over 70 call to action tags to layer your content with including; web links. text, video, image, audio, maps and many more. The process to add Rich Media Tags to your content is ‘as simple as copying the URL into the Link field of the ThingLink tag editor.’