I was fiddling around a bit with Tkinter this weekend, and changed my
little set_geany_colors.py utility from a command line program into a
GUI app (now providing a goofy sort of "preview"). Also added a new
colorscheme ("shades of green").
http://www.milliwatt-software.com/jmg/files/set_geany_colors.py.bz2
---John