Image Lister (Layout)
File > Save > Export > Image Lister
This command will save a text file that contains a list of every image used in a scene and its location.
Example
LightWave Image List Output
6769194: LW_Box_Front.tga E:\images\Endo_Sliders\LW_Box_Front.tga
6769195: LW_Box_Back.tga E:\images\Endo_Sliders\LW_Box_Back.tga
6769196: LW_Box_SideL.tga E:\images\Endo_Sliders\LW_Box_SideL.tga
6769197: LW_Box_SideR.tga E:\images\Endo_Sliders\LW_Box_SideR.tga