OK - so I have come up against Poser 5's material room. I simply do not get it:

When I apply Kozaburos short hair to Vicky 3, It comes out with black patches, as you can see over the ear in the picture.

I have tried to tweak the material room as far as colours go - but to no avail.

Does anybody have a good explanation??

heyas; a lot of kozaburo's hair uses double-sided polygons. you MUST get rid of those to render them in p5. if anybody else has come up with another solution, i haven't heard it. :/ if it's not double sided, make sure you have backface culling turned OFF when you render. very thin items sometimes come out patchy with backface culling on.

Yes, as far as I can tell, it has something to do with the double-sided polygons. Poser 4 is less sensitive to such things, but Poser 5 doesn't seem to like them, even with the old P4 renderer. No official fix as yet, although there is a simple workaround.

Plug your texture map into the Displacement channel and set it to a very small value (0.01). I'm not sure why this works. My theory is that the displacement manages to separate both sides of the polys just enough to avoid the effect.

Further reading:
http://www.renderosity.com/messages.ez?Form.ShowMessage=917912
http://www.renderosity.com/messages.ez?Form.ShowMessage=905904

Attached Link: http://www.renderosity.com/viewed.ez?galleryid=306070&Start=1&Artist=Firebirdz&ByArtist=Yes

I got that problem too in Poser 5 and it was even more patchier. However, I realised that all the short hair textures were in the same texture folder. I took them all out and hid them save the texture colour I wanted which I renamed to the orginal name. It worked great after that. Not sure if that works for you but it did for me. The attached link is an image I did after I did the changes. Not sure if I am doing this the unconventional way. LOL.

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Now That was better. It was the information from the links that Little Dragon posted, which did the trick. 1. I plugged "Color texture" into "Displacement" and set the value to 0.100 2. I set the value of "Transparency Edge" to 1.000 3. In the "Render Options" I uncheked "Smooth polygons" and "Remove backfacing polygons". I also chose "Gaussian" for the "Post filter type" Between all of them, these things did the trick. Thank you to all who contributed. This is indeed a generous community.

Displacement is a sneaky solution to double-sided face issues! Clever. You should be able to set the displacement value even lower (and in theory the lower the highest displacement value is in your scene the faster the render).

Attached Link: http://www.renderosity.com/viewed.ez?galleryid=308702

OK - so the picture is finished - Thank all of you again.