Palewolf's patch to allow controlling proportion of various objects in themes. Desert and Nature have non-default values
foreach(dir
Bamboo
Bath
Blox
Cake
Castle
cheese
deepspace
City
CrazyMission
EarthRise
Eyes
Freeway
Halloween
hell
Island
nature
Planes
Sheep
Snow
Underwater
Compost
Olympics
Desert
)
add_subdirectory(${dir})
endforeach(dir)
install(FILES themes.cfg DESTINATION ${SHAREPATH}Data/Themes)