Hi Ken,

re:
> Is there a simple way of placing the center of each image at those co-ordinates?
> It would make it much easier to align?

Yes there is a simple way to do that. When you are in the View > Image command you can drag on images to reposition them and if you grab near the center you'll see a "Cen" label that indicates that you grabbed that.

It looks like this while inside the View > Image command:



I can also cook up a script for you that will center all images when you push a shortcut key.

- Michael