Photography, illustration and movie image library sites

Affordable stock imagery resources:
Istockphoto
Fotolia
Shutterstock
Foto Search

Global image giant – hire or commission through the Getty network.
Getty images

Or create something unique. Independent photographers and associations.

The Association of Photographers in the UK. Find a photographer. Go to their exhibitions.
The AOP

Without question, the most respected photographic agency of all time. Inspirational.
Magnum Photos