Photos

• Compfight: search tool for Flickr to locate images with Creative Commons Licensing; includes a safe search filter
• Google Images Creative Commons Search: click the tab for Google Image and enter your keywords
• deviantART: include "creative commons" in your search; look for the license under the image; not all items on the site are cc licensed.photos, illustrations, use the categories button to browse and drill down. Use the search results field to filter out creative commons items
• everystockphoto: photo search engine (Flickr,NASA, Wikipedia Commons, Wikipedia) Click the advanced search link and choose a creative commons license for your search
• Flickr: Advanced Search : be sure to select choices in the Creative Commons section at the bottom of the page
• Free Digital Photos
• Open Photo: free content licensed photos
• PD Photo: free content licensed, public domain photos
• PicFindr searches several sites for free content licensed stock images
• Pics4Learning: free content licensed images
• Simple CC flickr Search: seach tool to locate Creative Commons licensed images on Flickr
• Wikimedia Commons: scroll down, under Content, look for "by license" on the right, browse by Creative Commons, Public Domain, or GFDL

Subject Specific

• American Memory Collections: photos and prints, need to check individual licenses
• Graphic Maps: free content licensed clipart maps, flags, and globes
• NASA Multimedia: free content licensed images
• NOAA Photo Library: Most NOAA photos and slides are in the public domain

Clipart

• #1 Free Clip Art: free content licensed images
• Awesome Clipart for Educators: free content licensed clipart
• Cool Archive: free content licensed clipart , click the download
• Discovery School Clip Art Gallery: limited to no more than 10 different images used on 1 publication
• Open Clipart Images: everything is public domain ; click the download button to view the image.
• Original Country Clipart: free content licensed clipart
• Web Graphics: free content licensed clipart