Aircraft lighting textures problems in FSX

I have been trying to improve on some of the landing light textures for the POSKY A330 and the Project Airbus A380 as follows, but whenever I alter one of the lighting textures, they no longer switch on and off with the landing lights (glare from the landing lights remains on the fuselage even when the lights are off). For the feelThere E195 I have also been trying to find any lighting textures at all which will switch on and off with the landing light and tail logo switches in the cockpit.

POSKY A330
I am trying to improve the textures on the vertical stabiliser, which are patchy and inconsistent on each side - but lights cease to operate properly whenever I alter a file;

Project Airbus A380
I have added a nice glare on the fuselage from the landing lights as there was none before, and have the same result as for the A330!

feelThere E195
None of the standard or add-on lighting for landing lights or tail logo is operable by the cockpit switches. Whenever any of the lights are on, the tail logo is lit and the landing light glare on the fuselage is there regardless of the position of the switches or the status of the landing lights.

Does anyone have any ideas as to how to resolve these issues?

Regards,
brianlr