I don't often use maps for my games, but I do use background images to set the scene, or provide information. I've noticed however, that the page/canvas has a quirky action.  For instance, I set the page/canvas to 25 x 15 Units, and then set the dimensions of the map/background image to 25 x 15 Units. However, as I scroll up and down, the canvas adjusts itself cutting off the bottom of my image. It also does it when changing the zoom level. Is there a way to ensure this doesn't happen?