The preparation of the "script" by the student to demonstrate learning is the key to success using authentic assessment strategies.
Use the Web Poster Wizard to allow students to submit writing as a web poster. Excellent contemporary assessment tool.
Write stories, essays, and scripts. Then have the students read what they wrote and create a digital recording for editing and playback. The audio recording is then assessed by the teacher.
Create storyboards by describing visual images and easily synthesize them together with Microsoft's PhotoStory 3. 