If you’re like most people, you probably use Photoshop to create graphics and photos. But if you want to add a background layer in Photoshop, there are a few things you need to know. First, the easiest way to add a background layer is to click on the Background button in the bottom left corner of the Photoshop window. Then, select a color from the Colors palette and click on OK. Next, open up your photo or graphic file and place it into a new document. Then, select the Background layer from the layers palette and drag it over top of your photo or graphic document. When you’ve dragged it all the way over, release your mouse button and then click on OK. Now that your background layer is added, you can start working on your image or graphic by editing its properties. You can change its opacity, brightness, contrast and other settings using these tools: