The following resources are sites that I found along the way that I thought you might find helpful.
National Math and Science Initiative- This site has videos, exam reviews, and other resources. http://apchemistrynmsi.wikispaces.com/
Bozman Science- Mr. Andersen makes videos discussing the most important topics for AP Chem (and AP Bio) http://www.bozemanscience.com/ap-chemistry/
Tyler DeWitt- He makes great vids explain various topics. http://www.youtube.com/user/tdewitt451/videos