You mean all .tga files included in Redko_Tex/Libya? Or just the numbered ones? (RedkoLibya27, 26, 39, etc. but not those ending with "blend")
All of them, like this:
[FIELDS]
LowLand0 = redko_tex/lybia/redkolybia1blend_fields.tga,4
LowLand1 = redko_tex/lybia/redkolybia3blend_fields.tga,2
LowLand2 = redko_tex/lybia/redkolybia4blend_fields.tga,2
LowLand3 = redko_tex/lybia/redkolybia40blend_fields.tga,4
MidLand0 = redko_tex/lybia/redkolybia14blend_fields.tga,2
MidLand1 = redko_tex/lybia/redkolybia8blend_fields.tga,4
MidLand2 = redko_tex/lybia/redkolybia34blend_fields.tga,4
MidLand3 = redko_tex/lybia/redkolybia23blend_fields.tga,4
Mount0 = redko_tex/lybia/redkolybia10_fields.tga,4
Mount1 = redko_tex/lybia/redkolybia18b_fields.tga,4
Mount2 = redko_tex/lybia/redkolybia29_fields.tga,4
Mount3 = redko_tex/lybia/redkolybia28_fields.tga,4
Country0 = redko_tex/lybia/redkolybia26_fields.tga,2
Country1 = redko_tex/lybia/redkolybia27_fields.tga,2
Country2 = redko_tex/lybia/redkolybia25blend_fields.tga,2
Country3 = redko_tex/lybia/redkolybia33blend_fields.tga,2
City0 = redko_tex/lybia/redkolybia22blend_fields.tga,4
City1 = redko_tex/lybia/redkolybia44blend_fields.tga,2
City2 = redko_tex/lybia/redkolybia39_fields.tga,4
City3 = redko_tex/lybia/redkolybia20_fields.tga,4
AirField0= redko_tex/lybia/redkolybia14bblend_fields.tga,4
AirField1= redko_tex/lybia/redkolybia35blend_fields.tga,2
AirField2= redko_tex/lybia/redkolybia32ablend_fields.tga,2
AirField3= redko_tex/lybia/redkolybia45blend_fields.tga,2
Wood0 = land/summer/MTO_Lowland_3.tga,2
Wood1 =
Wood2 = forest/summer/ForestFar.tga
Wood3 =
Water0 = water/PacificWater.tga
Water1 = water/PacificWater.tga
Water2 = redko_tex/lybia/redkolybia9cblend_fields.tga,2
Water3 = redko_tex/lybia/redkolybia43_fields.tga,4
Don't worry about the Wood0 - Wood3 ones though.