Ad Access

http://scriptorium.lib.duke.edu/adaccess

Radio, Television, Transportation, Beauty and Hygiene, and World War II ad images from Duke University's J. Walter Thompson Company Competitive Advertisements Collection

Ad Flip

http://www.adflip.com

Commercial database with a range of free print ad samples, searchable or browseable by decade and category.

ARKive

http://www.arkive.org

Images of endangered or extinct species

International Children's Digital Library

http://www.icdlbooks.org

Children's ebooks in their original languages, from U of MD.

Botanical Prints - Missouri Botanical Garden

http://www.illustratedgarden.org/mobot/rarebooks

Searchable digitized botanical sketches from the Missouri Botanical Garden Library's rare books collection.

Flickr - Creative Commons

http://www.flickr.com/creativecommons

View images on the social photography site which claim the Creative Commons limited copyright.

MorgueFile

http://www.morguefile.com

Digital library of free stock images (photos, illustrations).

Open Video Project

http://www.open-video.org

Searchable depository for open-access digital videos (U of NC Chapel Hill)

New York Public Library Digital Gallery

http://digitalgallery.nypl.org/nypldigital

The NYPL's digital collection.

Pixel Perfect Digital

http://www.pixelperfectdigital.com

Digital library of free stock images (photos, illustrations).

StockVault

http://www.stockvault.net/gallery

Digital library of free stock images (photos, illustrations).