Agencies that handle sales of images on behalf of photographers.

Beaut Photos
Royalty free stock images of Australia, stock photos of Australian wild flowers, stock images of Tasmania, Outback stock photography.

Image Tank
Australian based stock image agency.

MediaRecycler.com - Stock Marketplace [USA]
Mediarecycler offers a marketing tool for independent artists, allowing them to upload, save, and market themselves and their products with no charges or fees. There is only a 17.5% commission rate on sales, and there are no monthly fees, and seller's aren't charged anything until they transact a sale. Mediarecycler offers each seller 50 Gigabytes of storage and a platform to market and exhibit their work.

Photographers Direct
Photographers Direct
Geoscience Stock Images
Geoscience Stock IMages is a stock photo library of images related to geology, geography, palaeontology, archaeology, etc.