Istock photo
Istock is a collection of royalty-free photographs, vector Illustrations, Flash files, and Video clips. Credits are $1 each (US dollars), with a minimum purchase of $10. Then download the image you want for 1, 3, or 5 credits, for small, medium, and large files. Even larger resolution images are available, for 10 to 40 credits. Video clips are available for 5 to 50 credits.
Fotolia
Fotolia offers an image bank of free and affordable royalty free photos and illustrations. Buy photos from $1(US) with credits purchased online.
Absolutvision
For just $1.50 a week (limited time offer), get full access to our entire catalog of royalty free digital images. Register and download a free image every week.