@Kwebbl That didn't work. The yft files for x64c have DDS's embedded. Changing the ytd didn't do anything. I changed the ytd images with the same 256 x 128, DDS with 6 mid maps settings too.
So do all yft's have DDS's from ytd files embedded?
When I changed the ytd, the DDS's in the yft's had the same image as before.