gtk-engines-nodoka : Nodoka GTK+2 Engine ( https://fedorahosted.org/nodoka/ )
mint-x-icons : Mint-X icon theme ( https://github.com/linuxmnt/mint-x-icons )
mint-x-theme : Mint-X GTK themes ( https://github.com/linuxmnt/mint-themes )
unity-greeter : Unity greeter for LightDM ( https://launchpad.net/unity-greeter )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a piczu
For Paludis use this rsync : rsync://gentoo.zugaina.org/piczu-portage
If you have a problem : ycarus(-at-)zugaina.org