Ultimate 737-400

I just downloaded the ultimate 737-400 and it is supposed to have multiple textures associated with it. They are in the download but do not appear in the game.
[fltsim.0]
title=Boeing 737-400
sim=Boeing737-400
model=
panel=
sound=
texture=
kb_checklists=Boeing737-400_check
kb_reference=Boeing737-400_ref
atc_id=N737Z
atc_airline=American
atc_flight_number=1123
ui_manufacturer=Boeing
ui_type="737-400"
ui_variation="American Airlines"
description
[fltsim.1]
title=Boeing 737-400 Paint1
sim=Boeing737-400
model=
panel=
sound=
texture=1
kb_checklists=Boeing737-400_check
kb_reference=Boeing737-400_ref
atc_id=C-WFIS
atc_airline=Westjet
atc_flight_number=116
ui_manufacturer=Boeing
ui_type="737-400"
ui_variation="Westjet Airlines"
description
[fltsim.2]
title=Boeing 737-400 Paint2
sim=Boeing737-400
model=
panel=
sound=
texture=2
kb_checklists=Boeing737-400_check
kb_reference=Boeing737-400_ref
atc_id=N737X
atc_airline=Delta
atc_flight_number=1123
ui_manufacturer=Boeing
ui_type="737-400"
ui_variation="Delta Airlines"
description
[fltsim.3]
title=Boeing 737-400 Paint3
sim=Boeing737-400
model=
panel=
sound=
texture=3
kb_checklists=Boeing737-400_check
kb_reference=Boeing737-400_ref
atc_id=N-ALKA
atc_airline=Alaska
atc_flight_number=9910
ui_manufacturer=Boeing
ui_type="737-400"
ui_variation="Alaska Airlines"
[fltsim.4]
title=Boeing 737-400 Paint4
sim=Boeing737-400
model=
panel=
sound=
texture=4
kb_checklists=Boeing737-400_check
kb_reference=Boeing737-400_ref
atc_id=N737T
atc_airline=Southwest
atc_flight_number=1123
ui_manufacturer=Boeing
ui_type="737-400"
ui_variation="Southwest Lone Star One"
If anyone could help me fix it so that all the textures appear in the game pls let me know.
[fltsim.0]
title=Boeing 737-400
sim=Boeing737-400
model=
panel=
sound=
texture=
kb_checklists=Boeing737-400_check
kb_reference=Boeing737-400_ref
atc_id=N737Z
atc_airline=American
atc_flight_number=1123
ui_manufacturer=Boeing
ui_type="737-400"
ui_variation="American Airlines"
description
[fltsim.1]
title=Boeing 737-400 Paint1
sim=Boeing737-400
model=
panel=
sound=
texture=1
kb_checklists=Boeing737-400_check
kb_reference=Boeing737-400_ref
atc_id=C-WFIS
atc_airline=Westjet
atc_flight_number=116
ui_manufacturer=Boeing
ui_type="737-400"
ui_variation="Westjet Airlines"
description
[fltsim.2]
title=Boeing 737-400 Paint2
sim=Boeing737-400
model=
panel=
sound=
texture=2
kb_checklists=Boeing737-400_check
kb_reference=Boeing737-400_ref
atc_id=N737X
atc_airline=Delta
atc_flight_number=1123
ui_manufacturer=Boeing
ui_type="737-400"
ui_variation="Delta Airlines"
description
[fltsim.3]
title=Boeing 737-400 Paint3
sim=Boeing737-400
model=
panel=
sound=
texture=3
kb_checklists=Boeing737-400_check
kb_reference=Boeing737-400_ref
atc_id=N-ALKA
atc_airline=Alaska
atc_flight_number=9910
ui_manufacturer=Boeing
ui_type="737-400"
ui_variation="Alaska Airlines"
[fltsim.4]
title=Boeing 737-400 Paint4
sim=Boeing737-400
model=
panel=
sound=
texture=4
kb_checklists=Boeing737-400_check
kb_reference=Boeing737-400_ref
atc_id=N737T
atc_airline=Southwest
atc_flight_number=1123
ui_manufacturer=Boeing
ui_type="737-400"
ui_variation="Southwest Lone Star One"
If anyone could help me fix it so that all the textures appear in the game pls let me know.