Not everyone has admin access to see under the hood of SharePoint. One of those areas is the "/_layout/images/" directory where SharePoint stores its images.
My first reaction was wonderful, now I can organize and have access to all these images. Then when I realized it was 2000+ images, I took great pause. That is a lot of images to review and organize.
Here is what I am attempting, not to loose my sanity. So far I have grouped these in two ways. First, I have grouped them alphabetically. Second, I have grouped them by size of the image (Small, Medium, Large).
I have also identified which images can be found in WSS and MOSS (both) and only on MOSS (MOSS Only).
Here is a sample view: