http://www.theheadoftheclass.com/If the rest of you are like me, free is best!!
Alas, this is one of those cases where you get what you pay for. Of course, people should go browse around and see what they think for themselves, but I found it of limited use. The one exception was the little art videos. DD loved those. She often just used the assignment as a springboard to do her own thing, but it was still fun to watch and to use for ideas on technique.