Quote - Seems to me that all video cards display OpenGL accelerated textures in powers of two. That is, 2,4,8,16,32,64,128,256,1024,2048,4096, up to 8192.
If image files are anything in between those resolutions, the video card has to internally resize the image to display it. Assuming I'm right, that is.

The optimization is for memory usage and not speed.
A texture will occupy the same amount of memory as the next higher power of two size.
There is no resizing of images and thus no difference in speed. However more textures can fit inside the video card's memory if they are in power of two.

It is a custom morph by Yannek.

Original pic
http://www.daz3d.com/i.x/galleries/0/-/?id=30355&_m=d

The files are located in "C:Program FilesDAZStudiocontentdatablMilWom_v4b_68498LOD".
V4_LOD_1K.obj
V4_LOD_2K.obj
V4_LOD_4K.obj
V4_LOD_17K.obj

Daz Studio can use them automatically but not Poser.

To use them in Poser,
You need to copy them to the GeometriesDAZPeople folder of your runtime,
then edit the victoria 4.2.cr2 with any text editor or cr2editor,
replace all instances of "blMilWom_v4b.obj" with "V4_LOD_17K.obj",
and save it under some other filename of your choice.

Actually there is a low poly version of V4.2. Just download Daz Studio and you can find several low poly versions of V4.2 in its content folder.

Daz Studio has its own scripting language called daz script, so python support is extremely unlikely. You can download the free IDE and documentation from daz's site.

There is one in the zbrush forum here.
http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=2700922

I believe Lightwave also switched to Catmull-Clark subdivision in version 9 in order to support n-gons.