**Found this for you.......**

SOME TIPS FOR SUCCESFUL XRAYS

• in 'render options', set 'maximum ray-depth' higher if your objects render incorrectly, with    artifacts or render black in places.
    A setting of 6-7 is what I use, and does not affect render times too significantly, not on my machine      anyhow, other may find otherwise.

• always reset camera settings (directors view, untested in camera view) to thier default settings.

• rotate/scale/move your subject matter/model to achieve your camera angle, NOT your view/camera controls.

• when useing imported meshes in boolean groups don't forget to tick the 'solid when boolean rendering'
    control in the 'edit mesh' menu.

• try various levels of material transperancy as the internal layers of objects get deeper, ie:
    85/75% for your outer skin/shell, (usually 75% transperancy) then decrease transperancy as you get
    deeper, in increaments of 5 or 10, eg: 75%, 65%, 55% transperancy and so on.
    OR: do the same, in reverse, increaseing transperancy as you go deeper.

• you may also wish to highlight core internal objects or items of intrest by decreaseing/increasing their    transperancy, and/or increasing/decreasing their specularity level.

• setting boolean groups to 'positive' in their attributes editor makes them into one complete 'shell'
    when rendered with transperant materials, in any version of Bryce.

• paying attention to the real-world structural nature of things when composeing your xray subjects
    always makes for more convincing output (duh!;))

• adjusing the transperancy of your subject/subjects according to their possible real world densities,
    (eg: lead is very dense, hence its use in xray technician's protective aprons) could add greatly to the     realism of your output.

• if used, try to keep any bump hieght of your materials very low, I have noticed that surface texture    in real-world xrays is generally not very apparent, unless it is a very dramatic surface feature.

• subtle transperancy and specularity percentage tweaking of your various layers/objects is the main key to
    successful xray images.

• after inverting your image in the image editor of your choice it can sometimes help to tweak brightness/
    contrast/intensity, colour levels ect, but this also can be achieved all within Bryce, with material     settings tweaks. (apart from the image-inversion of course)

  ...GOOD LUCK AND ENJOY!...
   ...EXPERIMENTATION IS THE KEY TO INNOVATION....
       ....REGARDS, ADAMITE 2003...

and I'm sure you can see the similarity to the flowers.

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All the Woes of a World by Jonathan Icknield aka The Bryster

And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...