Do you want to set a background image in Minecraft? With the mod titled 360 Chroma (Green Scene), you can activate chroma key mode and overlay any image on top of it.
For the chroma key to function properly in Minecraft, it is advisable to disable clouds and the beautiful sky. 
Установка 360 Chroma (Green Scene) (.mcpack)
- Download the mod labeled as “.mcpack” from the list below.
- Open the downloaded file to import the add-on/texture into Minecraft.
- Launch Minecraft Pocket Edition and navigate to the world settings.
- For your world, enable the imported:
— Resource Packs.
— Add-on Packs. - Select the imported resource packs/add-ons in each section.
- It is advisable to restart the Minecraft PE client afterward.
- Start Minecraft Pocket Edition, enter the previously configured world Minecraft, and enjoy the add-on!
