Now, when you open the lightbox, you will see a preview in the right side of the screen of your interior design photo. What you need to do next is to adjust the settings so that you can see a preview of the finished photograph. There are many reasons why you should edit the lightroom preset. You can adjust the light levels and the highlights as well. You will also need to change the background color so that it blends with the photograph perfectly. There are also other things that you will need to change in order to get the perfect photograph, but the basic steps are pretty simple and easy.