This goes on the end line in filelist.txt:

3DO\Plane\SpitfireMkVb(Multi1)\Gloss1D0o.mat
3DO\Plane\SpitfireMkVb(Multi1)\Glass2.mat
3DO\Plane\SpitfireMkVb(Multi1)\Overlay1.mat

3DO\Plane\B-29(Multi1)\Gloss1D0o.mat
3DO\Plane\B-29(Multi1)\Glass2.mat
3DO\Plane\B-29(Multi1)\Overlay1.mat

3DO\Plane\P-40E(Multi1)\Gloss1D0o.mat
3DO\Plane\P-40E(Multi1)\Glass2.mat
3DO\Plane\P-40E(Multi1)\Overlay1.mat

3DO\Plane\B-17G(Multi1)\Gloss1D0o.mat
3DO\Plane\B-17G(Multi1)\Glass2.mat
3DO\Plane\B-17G(Multi1)\Overlay1.mat


3DO folder goes to "files"

Originals are there for comparation and feel free to experiment.