
Assuming drawables is required, the following result was found.
A background image I was using was unedited at 1600x2133 (364kb) and was not displaying on smaller devices. Configuring drawables for each layout seemed to be the only solution. res/drawable-ldpi 240x320 res/drawable-mdpi 320x480 res/drawable-hdpi...

 bc1qf6elrdxc968h0k673l2djc9wrpazhqtxw8qqp4
bc1qf6elrdxc968h0k673l2djc9wrpazhqtxw8qqp4
 0xb038962F3809b425D661EF5D22294Cf45E02FebF
0xb038962F3809b425D661EF5D22294Cf45E02FebF