Some more comments before I move on to something else:
- It would be much more readable to use enumeration and named values in the rc files rather than cryptic integers:
glazestyle = 1 # 0 = flat hilight, 1 = curved hilight, 2 = concave style menubarstyle = 2 # 0 = flat, 1 = glassy, 2 = gradient, 3 = striped menubaritemstyle = 0 # 0 = menuitem look, 1 = button look menuitemstyle = 0 # 0 = flat, 1 = glassy, 2 = striped listviewheaderstyle = 0 # 0 = flat, 1 = glassy roundness = 5 # 0 = squared, 1 = old default, more will increase roundness
- While these knobs to tweak are certainly nice, the one thing that most people want to tweak in a theme are the colors. I would personally be much more interested in themes which make use of the new symbolic color mechanism in GTK+ 2.10 to create "recolorable" themes.