These are all the default backgrounds currently available in Super Mario Construct (the infinite amount of possible custom BGs aside!). You can set the ID in the Custom Background settings in-game, accessible under the advanced settings, or by pressing Shift+B as shortcut.
| Background ID | Foreground Image | Background Image |
| #1 |  |  |
| #2 |  |  |
| #3 |  |  |
| #4 |  |  |
| #5 |  |  |
| #6 |  |  |
| #7 |  |  |
| #8 |  |  |
| #9 |  |  |
| #10 |  |  |
| #11 |  |  |
| #12 |  |  |
| #13 |  |  |
| #14 |  |  |
| #15 |  |  |
| #16 |  |  |
| #17 |  |  |