So here were my raw scans of an object that is approx. 20 in X 16 in.
I opened all these up in Photoshop. All I did was go to File -- Automate -- Photomerge, and clicked add all open files, click OK -- And viola! Like a dream, it matches up all the scans perfectly to create a cohesive image, and even comspenates for seam lines, edges, and variations in scan quality and color.
I over cleaned it up a little bit in Photoshop, so this is not an archival quality object, but it gives me a "real" enough object to work with through our demos, and to see how MARC records will relate to it.
Pretty handy, eh? Created a good looking digital object in about 15 min, from scanning to finish.