Web sites for free clipart for your PowerPoint presentation.

freefoto.com

pics4learning.com

Barry's Clipart

Discovery School

FreeClipArt.com

Microsoft Office clipart

Wikipedia's Listing of Public Domain clipart sites

Free PowerPoint Background Templates

Websiteestates

Sound Clips (Educational, Non-Commercial use (limited to student use on school grounds for in classroom projects- non broadcast. )

Limited to student use for in-classroom projects only, (not for broadcast or as a teaching tool.)

Freeplay Music