Viewport: World Background - User Feedback - Developer Forum
Blender Create Backdrop Tutorial - YouTube
Background Images — Blender Manual
Removing the background for rendering - Blender Quick Start Guide [Book]
Blender World Background Tutorial: Environmental Textures (Rotate, scale, color correct) - YouTube
How to Render a Background Image in Blender 2.8 Using a Camera Background Image - Henry Egloff
How to change the background in Blender? - Artisticrender.com
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
rendering - Render scene where camera has background image (Blender 2.8) - Blender Stack Exchange
Blender Studio Background free 3D model | CGTrader