Don't forget to check out the local resources available to you! Your area library, college or university, and art galleries are chock full of books, images, and information to help you plan, create, and execute teacher lesson plans in art. There are also local and national organizations to assist you including the National Art Education Association and NYSATA.
- NAEA-http://www.naea-reston.org/
- NYSATA-http://www.nysata.org/
With all of this information available, there is no reason why you cannot create successful, effective, lessons.