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. C DRIVE>USERS>YOUR NAME>DESKTOP>BROWSE TO YOUR PICTURE>return to kodi home screen
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This is another option, do this
CHANGE SKIN TO CONFLUENCE SKIN IN KODI KRYPTON
1.~ From kodi home screen click SETTINGS (cog wheel top left)>INTERFACE SETTINGS
2.~ SKIN>click SKIN on the right>GET MORE>CONFLUENCE>follow on screen prompts
Then do this
https://www.youtube.com/watch?v=eH2PyyX14nU