Been playing this morning with Google Maps Image Cutter, an application created by the Centre for Advanced Spatial Analysis at the University College London. I followed the instructions from this blog post on Digital Inspiration (via a tweet from Scott Leslie) and had the app working in a few minutes.
This little java app will allow you to take a very large photo, slice it up into a number of smaller images and, (with a Google Maps API code) overlay a Google maps interface. This gives you the ability to zoom in and out and pan around your image. Very handy if you have large images (like a widescreen panorama for example) that you want to display on a webpage.
Here is an example of what you can do with the tool. The full image size of the collage below is 2500×1658 pixels.
Photo by Yann!s (License: Creative Commons Attribution-Noncommercial-Share Alike 2.0)

May 10, 2009 at 6:28 pm
Ah, perfection. simple, light, known controls.
How can I get this to work on my WordPress blogs? Is there a pluging for WordPress? That would be a huge hit!
– Arthur
May 14, 2009 at 4:53 pm
No WP plugin that I know of. To get this to work in a WP blog post, I had to use the html iFrame tag in the body of my post and pull the image from a standalone html page I created outside the structure of the blog. The original page is located http://clintlalonde.net/collage.html.
August 31, 2010 at 3:44 pm
Thanks for the great article. This used to work perfectly until this afternoon.
Any clue why?
The default zoom levels are now so many even though I am explicitly setting them to 5 in my code.
Did Google change something with V2?