>> optional ability to overlay an empty full size block so the image cant easily be right clicked and saved > Not sure what you mean, but as soon as image load

>> optional ability to overlay an empty full size block so the image cant easily be right clicked and saved > Not sure what you mean, but as soon as image loaded it turns into good old image, so you can do right click I believe he wants the opposite of that, putting a div over the image so it cannot be right clicked and saved.