Although various configurations can be setup via Material Room menus, and can be managed through the Simple interface, this topic is considered Intermediate level.
Intermediate
First I set a Background Picture, either via the menu File > Import > Background Picture:
or via the Material Room directly, connecting the BG Picture node with the background node:
The BG Picture node is completely compatible to the regular image_map node.
Then I switch ON the use of the picture in the render, via Render Settings:
That is: do use Background Picture or Current BG shader. See the overview on background nodes in general.
When I’m still having problems with the Background, I just check:
- Whether the GROUND object (or any other object) is obstructing the view
- Whether I’m trying to load an 16-bit-per-color image (don’t)