NOTE: If you are using a firestick or fire tv box open es file explorer, then click google under favourites

1. Open a BROWSER and go to GOOGLE and type ALPHACODERS

2. Click on the link WALLPAPER ABYSS and SEARCH and DOWNLOAD any picture you like.

3. Wait for the download arrow to stop flashing and CLOSE the browser.

4. Open Kodi>click SETTINGS (cog wheel top left)>INTERFACE SETTINGS

5. SKIN>then SKIN on the right>GET MORE>CONFLUENCE>click YES

 6. CONFIGURE SKIN>Tick ENABLE CUSTOM BACKGROUND>below that click BACKGROUND PATH

7. ROOT FILESYSTEM>scroll down and click SDCARD>DOWNLOAD>click your picture>return to Kodi home screen and your done.

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Or you can use this method

ENABLE A BACKGROUND PICTURE ON KODI JARVIS AND JARVIS FORKS

ENABLE A BACKGROUND PICTURE ON KODI KRYPTON CONFLUENCE

https://www.youtube.com/watch?v=eH2PyyX14nU