This is a great list of children's books that can be used to teach about art.
Joan Miro art lesson
Lots of great art lesson ideas on this website.
Art Projects for Kids | Teacher-tested Art Projects
Lichtenstein - includes downloadable Ben-day dot template
pop art - I wish I had done this at new born, 3, 6, and 9 months. Would be a great memory!
Cities using newspaper and masking tape
mrspicasso's art room: Monet Gardens