Search for icons that can be downloaded and used in student and teacher creations. There is also the ability to create and share your own unique icons.
Scroll through some of these amazing open use photos. All of the photos have been public domain dedicated and are free for you to use. New photos are added regularly.
This is a "community music site featuring remixes licensed under Creative Commons where you can listen to, sample, mash-up, or interact with music in whatever way you like". (site description)