Someone help me make the shader to work the textures

[comida japonesa]

Good afternoon, fine, then the next, when I put the textures through etmain and then apply them using gktradiant and then I open the normal map, now when I try to put it through the map folder I created trying to use some shaders there not working, someone could help me please I'm newbie in the editor, I wanted to know how the map creators can make the textures work by the map file I created instead of the etmain folder.