AGPix ( http://www.agpix.com ) - an online community of 350+ image providers, mostly freelance/independent photographers.

An Amish village ( Amishphoto.com ) - the work of one photographer in one community, over a period of four decades.

Arctic Photo ( http://www.arcticphoto.com ) - pictures of polar regions, by various photographers who travel frequently to Siberia, Greenland, Alaska, Canada, Arctic Scandinavia and Antarctica.

Buiten-Beeld ( http://www.buiten-beeld.nl/ ) - Dutch nature/outdoor photography; online picture archive with about 100,000 images; best nature photographs by renowned wildlife photographers; young and talented photographers.

Corbis Corporation ( http://www.corbis.com ) - a comprehensive selection of photography, illustration, footage, typefaces and rights clearance services; based in North America with offices in Europe, Asia, and Pacific.

Images and Stories ( http://www.imagesandstories.com )- an Istanbul-based agency that supplies feature articles and stock images to magazines, book publishers, and others. Specialists for Turkey, Middle East, and Asia.

iStockphoto ( http://www.istockphoto.com ) - offers photos, illustrations, video and audio; based in Canada.

National Geographic Image Collection ( http://www.nationalgeographicstock.com ) - one of the largest online collections, global in scope.

Our Place ( http://www.ourplaceworldheritage.com ) - photographic records of World Heritage locations registered by UNESCO.

Photographers Direct ( http://www.photographersdirect.com/ ) , a pioneer of "Fair Trade Stock Photography" ; offers a range of photography more interesting than many commercially-orientated sites ; has more than 2,300,000 stockimages.

Photo Library Group ( http://www.photolibrary.com ) - represents leading stock brands and photographers around the world; provides access to images, footage, and music.

Randall Hyman ( http://www.randallhyman.com ) - environment, culture, and travel photos from over three decades, covering natural history and travel topics from Northern Europe to South America to Asia to Africa.

Tranz International Image Library ( http://www.tranz.co.nz ) - international and New Zealand photography on historical, news, studio, life-style themes.