File:The Keymaker.jpg

The Keymaker while in his prison.

Content.answers.com

Being under the fair use the image is used because:
 * no free equivalent exists that would effectively illustrate the point
 * the image illustrates solely the subject in question
 * the image is of low resolution as compared to original screenshot from the film
 * the image was not digitally altered and does not misinterpret the original authorship
 * the image does not purpose commercial goals