What does the FPE file look like, and also the normal and specular map. There naming should be similar to the following:
Your TextureName_D.dds
TextureName_N.dds
TextureName_S.dds
They must also be in multiple of 2
512 x 512, 1024 x 512, 2048 x 2048, 64 x 64 as examples.
Are you using the default shader?
Have you played with the metrics setting (tab tab) when in test game to adjust the scene?
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit