Fotosearch

http://www.fotosearch.com/

Fotosearch is a stock photo directory where you can look for free images, illustrations and video footage from over 100 stock photography, stock illustration, and video stock footage publishers.

You can specifically filter images for license and look for royalty free images only. Registration is needed to purchase free stock photos. Images are all available in high-resolution and different sizes. Fotosearch also sells collections of free stock photos on CD-ROM that allow you to save money if you need to purchase lots of stock images for your design projects.

Veer

http://www.veer.com/

Veer is an online stock photo retailer where you can find stock images and fonts released under different licenses, including royalty-free usage, multi-user, unlimited republication and product for resale.

Registration is needed to download the free stock photos. Images are all available in high-resolution and various sizes. The lightbox feature allows you to keep all the stock pictures you need on a side while browsing the image archive and then check out all images in one shot.

Freestockphotos.biz

http://www.freestockphotos.biz/

Freestockphotos.biz is an online stock photography resource where you can find free
images in a variety of commercial and editorial licenses, including public domain, creative commons and custom agreements.

No registration is needed to download the free stock photos. You can also comment and embed all stock images, which are available in high-resolution and in only one size. Very useful is the "Similar photos" features which displays other free images that match your choice.

Free-Stock-Photos.com

http://free-stock-photos.com/

Free-Stock-Photos.com allows you to download free stock photos and clipart images available for both personal and commercial use.

No registration is needed to download the free images. All photos are available in low-resolution and small size. Images are divided in thematic categories so you can easily find the stock photo you are looking for. An internal search engine is missing.

Lomography Photos

http://www.lomography.com/photos

Lomography Photos is an online resource dedicated to lomography, a type of art photography with a retro look and using old cameras that give a special color effect to all the pictures.

The site contains tutorials, guides, a shop for old cameras and equipment and also beautiful examples of lomography stock photos that you can download and use in your visual projects.

Registration is not needed to download the images. All photos are available in low-resolution and only in one size, but you can contact the original author if you need a high-resolution alternative.

Photographers are also welcome to contribute their own lomography photos to share with other users of the site.