For Frugalware 1.6 Fermus, I've decided to choose the gnome-shell theme of JustViper:
http://justviper.deviantart.com/art/Elementary-Viper-Gnome-shell-258386056
You can find a preview here:
http://ftp.frugalware.org/pub/other/people/devil505/artwork/gnome-shell-frugalware-theme/theme/preview.jpg