Pics 4 Learning
This is an educator friendly collection of images indexed via subject, whihc often matches a curricular area.

Classroom Clip Art
Here are thousands of clip art and still picture options. Many of the choices are free.

Discovery Education Clip Art
Great set of clip art categorized for educators.

Back to School with MS Clip Art
Microsoft has made searching for educational clip art easy.

School Graphics
Lots of classroom friendly options.

Clip Art ETC
Thanks for the wonderful clip art from Florida. You can use up to 50 of the items in a single project without asking for spcial permission from the foks at the Florida Educational Technology Clearinghouse.

Photography at National Geographic
Check out the Photo of the Day.

Well indexed collection of public domain photographs.

Time Picture of the Week
Explore the excellent current events photographs housed here. Great resource for writing prompts, thinking exercises, and student project options.

PD Photo
Another place to find more copyright friendly images for use in the classroom.

The 50 States Project
Check this site out first before allowing students to see it. Great site with a photographer from each state, but you need to preview some of the photos for student viewing.

Double duty - works with wonderful photos and the fun of having students do puzzles. You can create your own puzzles by uploading photos.