Why not create an rectangle the size of the viewport and colorize it? There are also some functions to modify the slide template (can't remember their names right now). Laurent <div class="gmail_quote"> On Wed, Feb 2, 2011 at 17:25, Evan Farrer <<a href="mailto:farrer@cs.utah.edu">farrer@cs.utah.edu</a>> wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> I'm attempting to use slideshow for a presentation and I really want to use white text on a black background. I can see how to change the color of the text, but I don't see how to manipulate the color of the blackground. I'm currently using v5.1.0.2 from git. Evan _________________________________________________ For list-related administrative tasks: <a href="http://lists.racket-lang.org/listinfo/users" target="_blank">http://lists.racket-lang.org/listinfo/users</a> </blockquote></div>