Homeschool teachers can sign up to use online video lessons through teachers domain. (You can also test drive 7 videos before signing up).
Videos cover:
Arts
Health and Physical Education
English Language Arts
Mathematics
Science
Social Studies
There is also teacher training on the site.
These videos aren't always instructional, but they definitely make learning more interesting and apply real world situation to classroom subjects.
~posted by Andrea from Notes from a Homeschooling Mom
