I changed over to all image links so that there would be a little thumbnail when you added your link to the directory. I also added an art teacher blog directory at the top, which I hosted last year and people are still adding to it.
I would really like to compile a list of favorite books and resources, so be thinking about your favorites!
If you would like to spread the word about the art blog directory, there is a button on the sidebar you can add to your blog. Thanks!