You have PhotoPoints
What are PhotoPoints?
PhotoPoints is a system for purchasing credits that allows you to manage and acquire images as needed. If you are purchasing more than one image you can save on the price per image.
PhotoPoints will be deducted from your account according to the cost.
You can at any time still purchase an image directly with a credit card. Generally the ratio of file size to PhotoPoints will be as follows:
Web
418x282 pixels
6 PhotoPoints
Low
800x1200 pixels
15 PhotoPoints
Med
2350x1565 pixels
30 PhotoPoints
Hi
5400x3600 pixels
95 PhotoPoints
Many images cost as little as 2 points.