http://bugs.winehq.org/show_bug.cgi?id=4432
--- Comment #16 from Austin English austinenglish@gmail.com 2010-12-02 12:37:16 CST --- (In reply to comment #15)
Actually, using a custom background only works if it is a 24 bit BMP, for 8 bit BMPs it is also broken. This gave me a hint resulting in the following patch:
http://www.winehq.org/pipermail/wine-patches/2010-November/096073.html
Let's see if it is the correct solution.
Committed: http://source.winehq.org/git/wine.git/?a=commitdiff;h=27d2b9b81490ca41c23ac3...
please retest.