Here are two videos - the second one below shows you how to hold and manipulate the camera when taking a gigapan sequence of images. This first one below demonstrates the result at an estate sale auction and shows one way to utitlize these zoomable images.
Example of how useful a gigapan can be for estate sales/auctions or any situation where you want folks to explore a large collection of items.
How to OVERLAP THE PHOTOGRAPHS when taking photos for your gigapan images: