http://bugs.winehq.org/show_bug.cgi?id=20694
--- Comment #14 from Vincent Povirk madewokherd@gmail.com 2011-03-23 16:03:36 CDT --- PNG and BMP files look correct to me. GIF, JPEG, and TIFF should just be a matter of adding codecs to save them.
I don't have any programs that can view an EMF file. How are you testing that?