This is the page of copyright-free, or easily or reasonably clearable materials.

CAVEATS:
Much of this material is free to use for educational purposes,
but read each site's rules and restrictions carefully!

If you are not involved in education (student or teacher),
then you will most likely not be able to use much of what is here,
without prior written permission.

Images

Creative Commons - a great organisation with lots of clearable stuff, "some rights reserved"

The Artchive - Over 2000 privately scanned fine art images includes both public domain and copyrighted works of art.

AICT (Art Images for College Teaching) - Painting, sculpture, architecture. Mainly Western – ancient to modern

ArtServe - Art & Architecture mainly from the Mediterranean Basin, Japan and India

Images Canada - search access to thousands of images held on the websites of participating Canadian cultural institutions

Smithsonian Institution Smithsonian Photographic Services - Photographs on wide range of areas available for personal or educational use 

Internet Archive - a digital library of Internet sites and other cultural artifacts in digital form

ARTstor - for members only, and educational restricted use (i.e., no public posting of materials)

Fotosearch.com - royalty free photographs and footage (there is a fee for usage)

Concept Mapping

CMAP - a wonderful, free concept mapping software tool, available for all OS

Flash Accessories

Flash Kit - sounds, loops, fonts, pictures