How do i make Textures for an Aircraft? i wonder specially on the B737-800 in FSX? do i need any special Program? is there any resipy on how?, hehe....
Read this, it might give you an idea how it's done.
If you want to get serious about this, you will also need the DDS plugin. What used to be .bmp format in fs9 is now .dds in FSX.
The tutorial was written before the event of FSX.
How To Be A Repainter-Part One