In Photoshop, you can add lighting effects to your photos by using the tools in the Lighting panel. The Lighting panel contains a variety of tools that you can use to create light and shadow effects. The most common tool in the Lighting panel is the Shadow tool. The Shadow tool can be used to create shadows on objects or people. You can also use the Shadow tool to create a dark background for your photo. The other common tool in the Lighting panel is the Light Tool. The Light Tool can be used to light up objects or people in your photo. You can also use the Light Tool to create a bright background for your photo.