fltk widget schemes

Do you think any good could come from playing around with the different
widget schemes? "none" is the default, and "plastic" and "gtk+" are the
other choices. e.g.:

diff -r 6fe817711ef4 src/dillo.cc
--- a/src/dillo.cc      Fri Aug 05 21:39:27 2011 -0400
+++ b/src/dillo.cc      Sat Aug 06 22:34:28 2011 +0000
@@ -379,6 +379,8 @@
                                             // only way to set the
                                             // default font in fltk1.3
 
+   Fl::scheme("plastic");
+
    // Create a new UI/bw pair
    BrowserWindow *bw = a_UIcmd_browser_window_new(0, 0, xid, NULL);