It worked for me:
Information for ImageMagick-5.2.8:

Comment:
Package for display and interactive manipulation of images

Requires:
jpeg-6b
mpeg2codec-1.2
png>1.0.9
tiff-*
...

bash-2.04# xwd -root -out file.xwd
bash-2.04# convert file.xwd file.png

Maybe you need a newer ImageMagick?

Ben

On Thu, Apr 05, 2001 at 03:12:57PM -0400, Steven Grunza wrote:
> Didn't work for me:
> 
> grunza@pc-grunza-p%(26) pkg_info ImageMagick
> Information for ImageMagick-5.2.2:
> 
> Comment:
> Package for display and interactive manipulation of images
> 
> Requires:
> jpeg-6b
> mpeg2codec-1.2
> png>=1.0.6
> tiff-*
> 
> Required by:
> wv-0.5.44
> 
> Description:
> ImageMagick TM, is a package for display and interactive manipulation
> of images for the X Window System.  It is written in C and interfaces
> to the X library, and therefore does not require any proprietary
> toolkit in order to compile.  Although the software is copyrighted, it
> is available for free and can be redistributed without fee.
> 
> The ImageMagick image display program can display an image on any
> workstation screen running an X server.  It can read and write many of
> the more popular image formats including JPEG, TIFF, PNM, GIF, and
> Photo CD.  In addition you can interactively resize, rotate, sharpen,
> color reduce, or add special effects to an image and save your
> completed work in the same or differing image format.
> 
> Homepage:
> http://www.wizards.dupont.com/cristy/ImageMagick.html
> 
> 
> grunza@pc-grunza-p%(27) convert sue_account.xwd sue_account.png
> convert: no delegate for this image format (sue_account.xwd) [No such file
> or directory].
> convert: Missing an image file name.
> 
> 
> collver@linuxfreemail.com wrote:
> 
> > > 1)    If there's someway to take xwd output and convert it to a more
> > > useful format, like GIF or PNG?
> > >
> > > or
> > >
> > > 2)    Where I can get the source to xpr to build and install it myself?
> >
> > I can answer #1:
> >
> > ImageMagick and the Gimp both convert from .xwd to other formats.
> > With ImageMagick installed you can type at the coomand line:
> >
> > convert file.xwd file.png