You can have this problem anywhere that has display depth of 16.  Why
would they pick that depth on an accelerated desk top?  I think you
found a bug with the latest ubuntu. :)

On 10/5/07, Jens Lincke <jens.lincke at hpi.uni-potsdam.de> wrote:
> Hi,
>
> just as a note: the latest ubuntu linux ships with an opengl accelerated
> window manager snd some Squeak images, like croquet or squeakland
> display weired colors dependent on the background.
>
> Workaround: One has to change the display depth in the appearance menu
> from 16 to 32 to fix this.
>
> System: ubuntu 7.10 beta
> graphic card: intel
>
> - Jens -
>
>
>