The following is shot by:
ARTIST: Dave Sharpe
LOCATION: Gilbert, AZ
CAMERA: Panasonic DMC-FX8

Royalty-free
Pay a one-time fee to use the image multiple times for multiple purposes (with limits).
No time limit on when the buyer can use an image.
No one can have exclusive rights of a Royalty-free image (the photographer can sell the image as many times as he wants).