Dictionary, Thesaurus, Word of the Day, Word Games http://www.m-w.com/netdict.htm
Dictionary for Kids http://www.wordcentral.com/
The Kidz Page http://www.thekidzpage.com/freekidsclipart/index.htm
Elementary Themes Clip Art http://www.stemnet.nf.ca/CITE/clipart.htm
Rats2U Clip Art and Animations http://rats2u.com/clipart/animation/clipart_kids.htm
Awesome ClipArt and PuzzleMaker http://www.awesomeclipartforeducators.com/
Discovery Clip Art http://school.discoveryeducation.com/clipart/
Barry's Clipart and Photos http://www.barrysclipart.com/