Stupendous Software today announced the release of a set of six free tutorials for iMovie, Apple’s consumer video editing software. These new tutorials show how Stupendous Software’s plug-ins can be used, alone or in concert with each other, to create interesting effects in iMovie. The six tutorials include Textured Backdrops, Basic Compositing: Masks, Grainy Black & White Look, Intermediate Compositing: Glow Outline, Intermediate Compositing: Blue & Green Screen, and Silent Film Look. All are available for download now.