This is another brilliant website for getting hold of excellent images fast and royalty free. They have a huge library of images which you can use for any purpose, and which come in a range of formats. Buy some credits, ...

iStockPhoto is a great site for all your image and video needs.  They have a vast library of high quality images and videos. You buy credits and then spend them on the content you want, one download at a time. ...

RevoStock has everything! Still backgrounds, video backgrounds, sound effects, music, and special effects. It's a huge library of user generated material, so there's a wide range of different styles.  ...