How to texture new models for FSX (DEMO)?

Hi all,
just trying to transform a bleriotXI model to fly in FS X ....
just texture problem....Textures are now .DDS DXT5 ( remember me CFS3 )
Who can tell me what is xxxx_bump_T.DDS or xxxx_specular_T.DDS for FS X ?
the rest of the model works fine :
try it :
http://perso.orange.fr/bleriot11/FSX.htm

happy flying
just trying to transform a bleriotXI model to fly in FS X ....
just texture problem....Textures are now .DDS DXT5 ( remember me CFS3 )
Who can tell me what is xxxx_bump_T.DDS or xxxx_specular_T.DDS for FS X ?
the rest of the model works fine :
try it :
http://perso.orange.fr/bleriot11/FSX.htm

happy flying