Most of these sites have images available for free use in a not for profit context (like this one). Please ensure that the picture is either:
public domain â€“ not subject to copyright (probably because it is very old)
creative commons - some rights reserved (like, you need to attribute the source)
GFDL â€“ another open source kind of licence.
- http://yotophoto.com - Free image search engine including public domain, Creative Commons and GFDL images. Currently indexing over 50,000 free images.
- http://www.morguefile.com - Over 58,000 free high resolution reference photos. All images are organized by category and keyword search and are free for commercial use. No registration needed.
- http://www.burningwell.org - Repository of public domain (free for any use) photos.
- http://cefirelda.infoville.net/album/index.asp - Collection of free photos. 17,000 Photos of over 30 countries and several categories for educational purposes. (Website in Spanish)
- http://www.cepolina.com/freephoto/- Collection of free stock photos of nature and European cities.
- http://www.gutenberg.net/catalog/- Project Gutenberg: 12,000+ books, only a few illustrated, but the number of illustrated books increases from week to week. There are thousands upon thousands of PD images to be had, with a wee bit of legwork and a modicum of serendipity.
- http://gallica.bnf.fr/- Digital documents from the BibliothÃ¨que Nationale de France (BNF). (website is in French)
- http://geekphilosopher.com/MainPage/photos.htm - Collection of public domain photos organized by category.
- http://gimp-savvy.com/PHOTO-ARCHIVE/ - GIMP Archive: 32,000 Royalty-free photos, organized by keyword.Mostly science and nature stuff.
- http://www.gnuart.net - GNU Art.
- http://www.openclipart.org/ - This project aims to create an archive of clip art that can be used for free for any use. The clip art is public domain and stored in the W3C scalable vector graphics (SVG) format.
- http://www.openphoto.net/ — [[Creative Commons]] not public domain licensed.
- http://www.pdfoto.com/ - Public Domain photography and art website. Small but growing fast with over 25,000 images to be uploaded. All images are organized by category and free for commercial use.
- http://www.pixeleye.com Pixeleye.com - Pictures from the Montafon Valley. Collection of public domain photos organized by category.
- http://www.pdimages.com/web6.htm - Random assortment of Public Domain images.
- http://pdphoto.org/- Large collection of mostly public domain photos. Read the license for each picture before use; also, model releases may not have been obtained for all photos.
- http://www.logodesignweb.com/stockphoto/ - Small but growing public domain stock photos released by photographer.
- http://srufaculty.sru.edu/david.dailey/public/public_domain.htm - Scanned and colorised etchings claimed to be PD images.: If any page or image seems missing, replace http://www.sru.edu/depts/cisba/compsci/dailey in its [[URI]] with http://srufaculty.sru.edu/david.dailey/''
- http://www.pixelquelle.de - 6,700 pictures in various categories. — License requires attribution and forbids use for certain cases, e.g. for image catalogs, therefor non-GFDL
- http://www.picturestation.net - Picturestation: over 4,000 free photos
- http://www.lamediterrania.org - La Mediterrania: Public database of photos from various categories. Only personal use.
- http://www.openphoto.tk/- Open Photography: Growing collection of public domain photos and articles.
- http://www.freephotostation.com/ - Free abstract, architecture, computer, technology, fruits, food, nature and objects stock photos.