Lightbox is a great way to keep your photos organized and easy to access. To access it, open the Lightbox Preferences in the Firefox browser. Then, set up your preferences so that you have quick access to all of your photos. To start using Lightbox, click on the three lines in the top left corner of the Lightbox window. The first line will show you a list of all of your photos. The second line will show you a list of photos that are currently in Lightbox. The third line will show you a list of all of your photos that are currently being used in Lightbox. To add a photo to Lightbox, click on it and then select Add to Library from the popup menu that appears. You can also right-click on any photo and select Add to Library from the popup menu if you want to add it permanently to Lightbox.