Hi,
Looks like it could be quite an amazing accomplishment.
I JUST started playing, and in the level "Edge of Na Pali" came across this skybox:

It's a little off-putting to come across something like that right at the get-go. Kind of puts a damper on "suspension of disbelief."
Is that something that should be fixed in the map, or do ya suppose it has something to do with my configuration? I am using OpenGL with the renderer from the website that was recommended in the readme file included with this campaign (their version 3.6 of the renderer). It seems like a good renderer, cures the (lack of) brightness issue with the original renderer.
EDIT: I switched to the D3D9 renderer from that same site, (unlike the original D3D renderer it lets me run UT in 32-bit color) and got the same anomaly, so I don't suppose the renderer has anything to do with the black "wall."
EDIT EDIT: Think I will switch back to OpenGL. Probably my imagination but it seems more fluid for this app.
@UBerserker posting below here -- thanks, I will tick the S3TC option to off in the advanced preferences renderer options (guess that's all I have to do?) and hope that works.