Published at Tuesday, September 29th 2020, 05:14:37 AM by Esther Kim. Iphone 11. Another way to collect pictures to use for your wallpapers is to do a search for the sites which provide downloads of photos to use as Apple iPhone wallpapers. Some of these are free and some cost you some money. Now that you have some photos to use for your wallpapers the next step is to connect your iPhone to your computer. Just plug in your iPhones USB cable. This will launch iTunes. Click the PHOTOS tab.