Subtitue ??? with your MAP-ID Example: ACB
1) Go to your assets and grad your needed BG. .msh and texture files.
2) copy and paste them to your worlds folder. C:\BF2_ModTools\data_???\Worlds\???\world1
NOTE: I renamed my bg .msh to hill_mountain. This is not nessassary.
3)Open your sky file thats also in the world1 folder.
Sky File
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Add in this in the DomeInfo section
DomeModel()
{
Geometry("hill_mountain");
Offset(80.0);
MovementScale(0.995);
}
It now should look like this
Sky file
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Thats it. Your sky done is added in.
If you scroll up to the PC area in the sky file. You will notice 2 FarSceneRange. Delete 1 of them.
Example
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Then save and munge your map and go see the your added BG.