Ryan Malesevich points out a very simple, one-script solution to the common need for an image gallery for your website - SimpleView Gallery - that a friend of his has written up.

In my post that I wrote that I would be back for good this time, I mentioned that I was going to be working on a gallery script. My good friend Chris let me know that he also wrote a simple script viewer that works quite while. His script is SimpleView Gallery and it requires to modification for it, just upload the script to a directory that contains images and that's it.

He also mentions a small change he made to make it work with WordPress and it's automatic thumbnailing system (to hide those thumbnails).