STEP 4
Now go to file>open and then locate your stock image that is going to be your background. Then open that image. Photoshop will open the new image in new tab automatically.
Press ctrl+A/cmd+A to select the whole image. Then press ctrl+C/cmd+C to copy it.
Go to your “beach trickyphotoshop” tab. Press ctrl+V/cmd+V to paste that.
Your image and layer panel should look like this.