Teacher Training Videos from Russell Stannard is on The Best Places To Learn Web 2.0 Basics — 2007 list. He has great videos showing how teachers can use the latest web tools in the classroom.
He publishes a free monthly email newsletter that I would strongly encourage you to sign-up for.
Russell has just completed screencast tutorials on two sites that have made various “The Best…” lists. Check-out the ones on Listen and Write, a dictation site ideal for English Language Learners, and on the excellent listening site called Ello.