Designing Animation Backgrounds Using Blender & Photoshop | The Gnomon Workshop
Background Images — Blender Manual
rendering - Render scene where camera has background image (Blender 2.8) - Blender Stack Exchange
Add a Background Image – Blender Knowledgebase
GuruBlog - new background image
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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 - Blender Developer Talk
How to Render a Background Image in Blender 2.8 Using a Camera Background Image - Henry Egloff
Why is my hdri background image renders with low quality? - Basics & Interface - Blender Artists Community