Add water opacity to theme - defaulting to 50% opaque on all themes but Eyes (80%) and Underwater (100%)
install(FILES
AppleDirt.png
AppleSmall.png
Border.png
BottleDirt.png
Clouds.png
FishDirt.png
Flake.png
icon.png
LandTex.png
Sky.png
Tire.png
TireDirt.png
horizont.png
theme.cfg
DESTINATION ${SHAREPATH}Data/Themes/Freeway)