Yes, I've just got a problem. If the UV mapping error?
No idea.
Second problem is when two textures. The camouflage is blurred.
I still have to find a solution
(Image removed from quote.)
I don't understand what you mean. It's not a UV mapping error. You just need to locate the actual seams and work around them.
The segment is a straight section of skin that is mapped. It has a border. You cannot rely on that border to be the demarcation of your camouflage. It's in the wrong place for typical LW camo anyway. You often have to make things look odd on the skin so that they look right on the in-game aircraft. This is due to stretching and mapping of the skin, but it's not necessarily an error.
For the section by the canopy, you have a gap, where the spray pattern on top does not match the spray patter on the side. This is one issue. That's just a matter of tweaking the spray patterns as 2 separate parts until both line up correctly.
For the section of the canopy by the cowling, what you are seeing is that your camo profile on the left/right sides simply doesn't match the upper part.
I'll give you some examples that may help you identify a better "curve" on the left/right parts, and help you identify the proper border of the parts.