How you can contribute

Use open licenses
Post materials to Wikispaces with an open license
Post photos to Flickr with an open license
If you see a mistake in Wikipedia, FIX IT!
Write a definition in the Kids Open Dictionary
Add something to a topic you know about in Wikipedia
Create a new article in Wikipedia, Wikitravel, or another wiki
License your content (web site, lesson plans, photos, PPTs, etc.) with a CC license
Contribute to Wikibooks, Curriki, WikiEducator, or other OER sites
Tell your friends and students about OER