http://www.gograph.com Search for free graphics - Animated clipart, photos, icons and clipart

http://www.freefoto.com One of the largest collection of copyright free photos for non-commercial use - Schools!

http://gallery.nen.gov.uk/ Thousands of photos, sounds and videos from the National Education Network

http://www.eriding.net/media/ Images, photos, sound and some video from eRiding Media Library

http://www.telegrapharchives.co.uk Thousands of photos from the news in the North East and North Lincolnshire area - Free to copy for Education use

Other clipart websites:
http://www.dorlingkindersley-uk.co.uk/static/cs/uk/11/clipart/home.html
http://classroomclipart.com/
http://www.school-clip-art.com/
http://school.discoveryeducation.com/clipart/
http://www.sciencephoto.com/ Science photos