Real-time Compositor: Feedback and discussion - Feature & Design Feedback - Developer Forum
Rendering/Compositing - Can't get a transparent background in my render - Lighting and Rendering - Blender Artists Community
Why is my background image not rendering? Made this setup in the compositing Tab (copied from a tutorial), checked the box background images in the camera tab and added the right image
I don' t see the backdrop in Compositor Tab (Blender 3.1) - Compositing and Post Processing - Blender Artists Community
How to Save Images in Blender Compositor: File Output vs Viewer
How to Render a Background Image in Blender 2.8 Using a Camera Background Image - Henry Egloff
Rylan's art blog: A painterly look with Blender compositor.