To set an image from a website as your phone wallpaper, follow these steps: Hold your finger on the image until a menu appears, then select “Save to Photos” or “Download Image.” Open your phone’s gallery or photos app, find the saved image, and tap it. Hold your finger on the image again or use the menu options to select “Set as Wallpaper.” Adjust the image to fit your screen, choose home screen, lock screen, or both, and confirm.