"Background Image Warning. This will remove your existing image, continue?"
This message appears if you try to load a background image when an image has already been loaded. Click OK to load a new image, or Cancel to use your existing image.
"Background Image Error. Could not open the background image."
This message appears if you try to load a background image and the picture is corrupt. For example, it might have an extension such as .bmp or .jpg, yet not be a proper picture file.