I have found Pinterest to be a great resource for many things, including children's lit. I have a whole account to share categorized book recommendations, as well as illustrations that I love.
Some boards I have include: Mixed Race/Multicultural, GLBT, Feminist Fairy Tales, Cinderella Around the World, Nature and Science, Books on Trauma, and holidays. I hope that it can be a helpful resource for teachers and parents.
You can view my children's lit Pinterest here: http://www.pinterest.com/fortunateizzi/