UPDATE 04/10/10
Lee has announced that flak will be scriptable in the v1.18 update. No further details on this feature have been announced yet.
UPDATE 2 04/10/10
Hockeykid has implemented water into the latest update. Details are below:
* Added water "effects" such as water physics, swimming, water ripple, water
splashes...etc
* Added WATERFOGDIST=X to change how far away the underwater fog is
* Added WATERFOGBLUE=X to change the blue value of the water's underwater color
* Added WATERFOGGREEN=X to change the green value of the water's underwater
color
* Added WATERFOGRED=X to change the red value of the water's underwater color
* Added WATERBLUE=X to change the blue value of the water's color
* Added WATERGREEN=X to change the green value of the water's color
* Added WATERRED=X to change the red value of the water's color
* Added WATERSPEED=X to change the water ripple speed
* Added WATERHEIGHT=X to specify the water's Y position
* Added WATER=X to toggle water on and off
* Added Water
[b]FPSC MIGRATION: http://forum.thegamecreators.com/?m=forum_view&t=142497&b=21