Mike
I have been playing to use a flare effect on the helmet glass.
Before to unzip the attachment, make a backup of your HUD_Helmet.
The name of the new material mesh is "flare".
To better see it in action, uncheck or check it in the listview.
You can also play with these settings:
1 - flare.jpg
newmtl flare
#alphatocoverage
Ka 0.01 0.01 0.01
Kd 0.975 0.975 0.975
Ks 1 1.5 2
d 0.64
Ns 52
illum 3
refl flare.jpg
2 - flare.png
newmtl flare
#alphatocoverage
Ka 0.01 0.01 0.01
Kd 0.975 0.975 0.975
Ks 1 1.5 2
d 0.64
Ns 52
illum 3
refl flare.png
3 - illum 4
newmtl flare
#alphatocoverage
Ka 0.01 0.01 0.01
Kd 0.975 0.975 0.975
Ks 1 1.5 2
d 0.64
Ns 52
illum 4
refl flare.jpg
Note: The previous ambient reflection is still there, they are just mixed together.