And for more inspiration, check this blog which is a steady stream of artistic contributions in celebration of the ideas represented in the book. Click on the image of the blog's banner below to get to the blog:
See for instance, the contribution from artist Jon Klassen, winner of the 2013 Caldecott Medal for "Most Distinguished Picture Book": This is Not Hat.
You will find close to 100 illustrations on the site, as of September 15, 2013, which marks the 10th anniversary celebration of the book's birthday. Check the blog archive to trace back contributions.