The wireless examples need `network_manager.py` and `WIFI_CONFIG.py` from the `common` directory to be saved to your Pico W. Open up `WIFI_CONFIG.py` in Thonny to add your wifi details (and save it when you're done).
You'll also need to install the `micropython-urllib.urequest` library using Thonny's 'Tools' > 'Manage Packages' or `common/lib/urllib` which contains a compiled `.mpy` version that uses less RAM. You should place this directory in `lib` on your Pico W.
Finally for examples loading images, you'll need `sdcard.mpy` from `common/lib`. You should place this file in `lib` on your Pico W.
This photo frame example displays local images on Inky Frame and lets you switch between them with the buttons. Use `image_gallery.py` if your images are stored on your Pico, or `image_gallery_sd.py` if the images are on your SD card.