Open Clip Art Library (OCAL) is the largest collaborative community that creates, shares and remixes clipart. All clipart is released to the public domain and may be used in any project for free with no restrictions." Visit the Open Clip Art Library
Clip Art Images Make Your Assignments Stand Out... Using clipart images on your worksheets, lesson plans, quizzes, tests, exams, puzzles, and homework will motivate the student. You can create fun assignments with ease!
Pics4Learning is a copyright-friendly image library for teachers and students. The Pics4Learning collection consists of thousands of images that have been donated by students, teachers, and amateur photographers.