Dominique Renauld creates wonderful Tinderbox videos. They aren’t tutorials so much as they are inspirations. They show you what Tinderbox can help you do, not the nuts and bolts of how to handle Tinderbox. But they are well worth seeing, both for the spark they may provide in tackling Tinderbox and for their shear beauty.
In the most recent video, he shows some of the great features of the outline view. Watch it here: