The Amazing Picture Machine
A searchable index of Internet graphics supporting a wide variety of topics from historical photos to science diagrams.

Barry's Clip Art Server

Catholic Clip Art

Ditto.com
A fantastic site which searches the entire web for graphics on any subject you choose

Enchanted Learning

Free Fonts for Teachers

Pics 4 Learning

Preschool Printables

Flags of the World
Includes black and white flags to be printed out and colored.