Have you looked out YouTube lately and searched for authors or terms in your own academic subject area? Youtube is growing at a rapid pace and more and more academic material goes online. One example is the large body of filmed guest lectures from The European Graduate School (EGS). Other interesting type of videos is compositions of text and images made by students, reserachers etc. Yet another are vloggs (video blogs) from readings, and or personal daily reflections around academic-like subjects.
The video below is from a guest lecture Donna Haraway held at EGS 2000-09-01: