If you want to add an image as a layer in Photoshop, there are a few things you need to know. First, open Photoshop and create a new document. Next, select the Image tool from the toolbar and click on the folder icon in the toolbar to open your images. Select the image you want to use and drag it onto the canvas. Next, use the options bar at the top of the screen to change some of the properties of your image. For example, you can change its size or resolution. Finally, click on the Add Layer button at the bottom of the screen and Photoshop will add your image as a new layer. ..