Hi,
i hope that this wasn´t posted earlier.
I found out that GStudio can´t handle .dds maps correctly, because if i use a material f.e. mtl_specBump then the specularity pixels (i hope you understand what i mean)
But it´s not the resolution of the textures, because it also happens at High-res textures

Here are some pictures:





right-click -> show picture for bigger size