http://www.shutterstock.com - “Current Payout $0.25 (US) per download. That means that at
just 2000 downloads/month, you can earn $500 (US) per month! Many of our photographers earn this
and more every month.”
http://www.istockphoto.com - “The royalty structure on iStockphoto is 20%. If you’re eligible
for exclusivity, you can make up to 40%.”
http://www.canstockphoto.com - “We pay a 50% commission for guest & member purchases,
and a flat $0.25 for subscription sales.”
http://www.shutterpoint.com/Home-Photographer.cfm - “ShutterPoint offers the highest payout
rate on the internet. In comparison to the average payout rate of 50% elsewhere, when you sell images
via ShutterPoint, you get 85% of the sale amount.”