That sucks.

Hey that's a good tip. I could use this myself in the future. Thanks Behemoth.

-snip-

Sorry for the late reply, but I had tried this and unfortunately it did not work.
I'll have to cut it out completely since I don't know anything about scripting, and I don't want this mod to get too ambitious with things that don't need to be changed. Thanks for the help, though!

Welcome on forum! 
Imo, i would play, day and night, all maps with red-ish fog and sky, plus oblivion force in, (horror vibe to, a bit, hehehe, can't go wrong!) Well done! And i would like to see it, in mp and co op mods, one day! (still waiting updates for remaster, to make it near classic quality, for mp part) Have good work on your all T2 projects!

Thanks for the warm welcome Vis! A horror vibe is absolutely what I'm going for with that map, largely in part to how much fun messing around with the lighting and fog can be. Right now I'm focused on balancing it for a single player experience which may be a bit tricky because the player can visit any of the maps as soon as you get to their warp point (which are all in the main town area), but I think that can managed by careful ammo placement. While I still intend to make 2-3 more maps for this set before I release it, I may upload an alpha build of the first 3 that've been shown already when they're done since they're getting close, rather than waiting to release anything until it's 100% done.

To answer Victorious_Games, if you open up the maps for the Death Marshes, select a sector and then right click "Select-All" sectors, you should be able to change the fog for the entire map under Properties, and then "Fog Settings". "On Land" changes the color of the land-based fog, while "Under Water" changes it for when you're under water.   ZFar and ZNear change the distance the fog sits at, with an option for the water variants listed under that. Black fog/Skybox appear as the default for new sectors, and I've yet to figure out a way to re-enable black fog after changing it past it's default, but what you're proposing should be easy enough to accomplish. The fact there's 11 maps to tweak for the Marshes will likely be more time consuming than the act of actually changing the fog color lol.

Edit: I found the post by ilgm about holding Shift while moving the vertex to move the ceiling sector, and what do you know- it worked. Now the Hive Map pieces won't be broken by jumping through the ceiling constantly!