All of the levels can be created by the user of the game to use whatever images and placements they choose.
This is possible via the User Script Commands I have provided.

Here is an example of the current room script found in level0.txt

ground level0groundshort2.png END

background level0sky.png END

foreground level0grass.png END

floater level0floater.png END

atmosphere nature1atmos.ogg END

music MUSIC006.mp3 END

yellow blupi 500 208 END

blue blupi 1920 208 END

orange blupi 20 208 END

green blupi 100 208 END

house 600 208 END

shed 1100 208 END

jeep 2500 208 END

water 1486 297 END

boat 2500 100 END