http://drupal.org/project/headerimage - there is a D7 version in the issue queue.

Nancy

Injustice anywhere is a threat to justice everywhere. -- Dr. Martin L. King, Jr.

From: Fred Jones

I have a new D7 site where each page has a unique header image. I figured I would use CCK Blocks and then add an image field to Page nodes so then the owners can easily upload a file on each page and it will appear as their header image.