I want to view the full size of the picture and still keep shadowbox active. I don't want to drag (users will not know to do that) and I surely don't want the image cropped in "none" setting (who would??). So, a setting to have it display the full size without being cropped is what I am asking for.
or... even better would be a way to view it at its full size after it is resized to the viewport. Maybe by clicking on it and it enlarges to the full size?
Sorry...part of the beauty of Shadowbox is that it is designed to never overflow the viewport. This is a fundamental part of the design and was included to enhance the user experience across all resolutions. If you'd like a script that doesn't automatically detect the size of the viewport for you, the internet is literally full of them. Take your pick.