Here they are: https://dl.dropbox.com/u/64670113/themes.tar.bz2 You'll notice that I edited MediterraneanNight (which I use) to have rounded tool-tips. MediterraneanLight has the default square ones so you can change which type to use by changing gtk-2.0/gtkrc and gtk-3.0/gtk-widgets.css (search for 'tooltips' on both files).