This is so you can make your own cup :) This is allready converted to png, so you would need to edit it, then you have to convert it to a DDS.
Right after that, Replace the CUP_LOW2_ALBEDO.PNG.DDS that is found in: A32NX/SimObjects/Airplanes/Asobo_A320_NEO/TEXTURE.
Please report any bugs to us in our discord.
https://discord.gg/HYeuzbAm