To replace the keyboard icon with the flags, performs the following:
mkdir -p ~/.icons/flags
cd ~/.icons/flags
wget http://zeroed.ru/xlam/files/gnome/lookandfeel/flags/{ru,us}.svg
or I prefer these icons
installing this flags
in console gconf-editor
dl.dropbox.com/u/10861979/LJ/flags.ogv
that’s all
Immediately after you run the above command, will be smaller than the picture. This will change at next log on.