Here is the detailed template : Show content
(https://i.imgur.com/lLEnmJb.jpg)
The upper part will be zoomed in you must adjust the shader .
and about the test
Editing normal vehicles:
All remaining cars have a layer used by game to give that dust effect when cars are "dirty" which is called vehiclegrunge256 (http://dc625.4shared-china.com/img/XcyjIBxl/13b49ecdcb0/vehiclegrunge256.png). Vehiclegrunge texture is applied in a totally random way. You can't determine which part of texture is bonnet or trunk and which is applied on doors. Nobody forbids you to add a shader on this layer, but it must be a generic shader like a camouflage texture or something repeated.
Steps to test:
1. Go to C:\Program Files (x86)\GTA San Andreas\models\generic
2. Open vehicle.txd
3. Put the image you want as shader on vehiclegrunge256
4. Test ingame
Basically every vehicle will have that image, it's because you edited the dust layer. In this way you'll be able to choose the vehicle it fits the most, including patriots and other vehicles. Remember to make a backup.
Video guide by @Weston Show content
https://www.youtube.com/watch?v=rl5jydztoJ0
Here is the detailed template : Show content
(https://i.imgur.com/lLEnmJb.jpg)
The upper part will be zoomed in you must adjust the shader .
and about the test
Bro I did it, I designed and put the image on vehiclegrunge 256, but the top of this car like not designed.
Well You can write on the TOP but you must adjust the template See Here I can write Show content
(https://i.imgur.com/HqSQ5Wi.png)
Try to use this one I made Show content
(https://i.imgur.com/AXEnEEV.png)
You will find the right place to write what you want.
AND You will notice that The TOP will be zoomed in thats why stafford will be not the best choice to design a shader.