Why Won't My Camera Background Image Render in Blender? (Tutorial) - YouTube
Removing the background for rendering - Blender Quick Start Guide [Book]
Please add background image feature as in blender 2.79,in blender 2.8 we can 't see the background image from front,top and side views - User Feedback - Developer Forum
How to change the background in Blender? - Artisticrender.com
Why colors and background don't change in rendered preview with cycles? : r/ blender
Camera background image not showing. I have a cycle scene with a hdri, and wants to use the camera background image,but Its only showing the hdri. : r/ blender
Can't see Grid, Selections or Axes in Blender? (Show Overlays) - YouTube
background images missing? - CG Cookie
rendering - Unable to see HDRI in background - Blender Stack Exchange
Can't see background - Lighting and Rendering - Blender Artists Community
cycles render engine - Why Does The Background Image Not Show in Orthographic View? - Blender Stack Exchange
Lookdev mode blurry background problem - User Feedback - Developer Forum
I can't see my background image in the 3D view - Blender Stack Exchange