i have the same problem and "screen.inc" doens't help.
the "trick" i use is :
    make a box with image mapped on it
    orient this box has normal to the vector <camera_location camera_lookat>
    then ajust box size and box distance along this vector to fill (or not)
your background...

hope that help!
louis





news:web.40ec336d33d0286eca7003960@news.povray.org...
> "Hugo Asm" <hua### [at] post3teledk> wrote:
> > > How dows one add a background image.
> >
> > It seems you can't do it with the background keyword. But you can do it
with
> > the "screen.inc" standard include file. It comes with POV-Ray. Your
> > background image will then follow the camera but be a part of the scene.
To
> > avoid having the background-image affected by light and shadow, you can
use
> > "ambient 1 diffuse 0" in the finish statement.
> >
> > Regards,
> > Hugo
>
> I replied yesterday but for some reason, it never got posted...
>
> I tried using "screen.inc".  However, I cannot seem to be able to get the
> background image to be placed behind my 3D model rendering.  I tried
> playing with the scale parameter as well as modifying the code in
> screen.inc directly but to no avail...has anyone used screen.inc for
> background image purposes?
>
>

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