Problems caused by posting large, hi-res scans are described by Overscan two messages above, and all of us could watch the fruitful results of this for about a day. I still eager to see what that large Sundog tried to show us - I bet it was something very interesting as always. I personally didn't know about pixel size limitations of images, and will be more cautious.
If you want, you can just ask Skybolt to post it via e-mail, he surely will be able to help.