Too shiny paint and old camouflage still visible

[kiscica100]

Hi, I m creating my first UserSkin and i got into some issues.
It is still in progress, and I m interested about how can i fix this? The problem is in the title.
Reference pic:

What i see in the editing software:

And what I see in-game:

In-game, when the Sun shines on it the brown glows like gold.
Thank you for your help! ^^

[山_田_凉]

@kiscica100

In-game, when the Sun shines on it the brown glows like gold.

I think this is controlled with the normal layer, I’m not entirely sure.

More information: Custom skins - War Thunder Wiki