No problem, glad to help.
BTW, in case I forget to intervene later on, here is the fix for CroAF, using your YU numbers:
skin
{
value = 0.9;
material = {"Mig-21_texture001", "standart", "mig21bis_001_CRO_01.bmp"};
material = {"Mig-21_texture001_2side", "standart", "mig21bis_001_CRO_01.bmp"};
material = {"Mig-21_texture002", "standart", "mig21bis_002_CRO_01.bmp"};
material = {"Mig-21_texture003", "standart", "mig21bis_003_CRO_01.bmp"};
material = {"Mig-21_texture004", "standart", "mig21bis_004_ALL.bmp"};
material = {"Mig-21_texture004_1side", "standart", "mig21bis_004_ALL.bmp"};
material = {"Mig-21_texture005", "standart", "mig21bis_005_ALL.bmp"};
material = {"Mig-21_texture006", "standart", "mig21bis_006_CRO_01.bmp"};
material = {"Mig-21_cockpitnight", "standart", "mig21bis_007_CRO_01.bmp"};
material = {"Mig-21_bis_damage", "standart", "mig21bis_damage.tga"};
material = {"Mig-21_Nomera", "standart", "mig21bis_YUG_Numbers.tga"};
material = {"Mig-21_Nomera_fix1", "standart", "Empty_NOMERA_Mig21_fix_1st.tga"};
material = {"Mig-21_Nomera_fix2", "standart", "mig21bis_YUG_Numbers_12_Fix.tga"};
material = {"Mig-21_texture001_antenne", "standart", "mig21bis_001_antenna.tga"};
}
Also, while playing with this, I've made a short tutorial on how to do this on your own. Will post later on...