Explain Everything is an easy-to-use design tool that lets you annotate, animate, and narrate explanations and presentations. You can create dynamic interactive lessons, activities, assessments, and tutorials using Explain Everything's flexible and integrated design. Use Explain Everything as an interactive whiteboard using the iPad2 video display.
Get it from the App Store: http://itunes.apple.com/app/explain-everything/id431493086?ls=1&mt=8
Explain Everything records on-screen drawing, annotation, object movement and captures audio via the iPad microphone. Import Photos, PDF, PPT, and Keynote from Dropbox, Evernote, Email, iPad photo roll and iPad2 camera. Export MP4 movie files, PNG image files, and share the .XPL project file with others for collaboration. Explain Everything has been designed for use in educational, business, and entertainment settings.