Tulliana : Tulliana icon set for KDE ( http://www.kde-look.org/content/show.php?content=38757 )
adwaita-icon-theme : GNOME default icon theme ( https://www.gnome.org/ http://people.freedesktop.org/~jimmac/icons/#git )
audacious-themes : Collection of XMMS themes for Audacious ( http://www.xmms.org )
bespin : Very configurable Qt4/KDE4 style derived from the Oxygen project ( http://cloudcity.sourceforge.net/ )
blueglass-xcursors : A high quality set of Xfree 4.3.0 animated mouse cursors ( http://www.kde-look.org/content/show.php?content=5532 )
chameleon-xcursors : Style neutral scalable cursor theme ( http://www.egregorion.net/2007/03/26/chameleon/ )
claws-mail-themes : Iconsets for Claws Mail ( http://www.claws-mail.org/ )
clearlooks-phenix : Clearlooks-Phenix is a GTK+ 3 port of Clearlooks, the default theme for GNOME 2 ( http://www.jpfleury.net/en/software/clearlooks-phenix.php )
comix-xcursors : X11 mouse theme with a comics feeling ( http://kde-look.org/content/show.php/ComixCursors?content=32627 )
commonbox-styles : Common styles for fluxbox, blackbox, and openbox ( http://mkeadle.org/distfiles/ )
commonbox-styles-extra : Extra styles pack for flux|black|open(box) ( http://mkeadle.org/ )
constantine-backgrounds : Fedora official background artwork ( https://fedoraproject.org/wiki/F12_Artwork )
crystal : Crystal decoration theme for KDE4.x ( http://kde-look.org/content/show.php/Crystal?content=75140 )
dekorator : A window decoration engine for KDE ( http://www.kde-look.org/content/show.php/Nitrogen?content=87921 )
echo-icon-theme : SVG icon theme from the Echo Icon project ( https://fedorahosted.org/echo-icon-theme )
elementary-xfce-icon-theme : Elementary icons forked from upstream, extended and maintained for Xfce ( https://github.com/shimmerproject/elementary-xfce" SRC_URI="${HOMEPAGE}/archive/${COMMIT}.tar.gz -> ${P}.tar.gz )
emerald-themes : Emerald window decorator themes ( http://compiz.org )
ethemes : all the official Enlightenment themes ( https://www.enlightenment.org/ )
experience : GTK+2 themes which copy and improve the look of XP Luna ( https://art.gnome.org/themes/gtk2/1058 )
faenza-icon-theme : A scalable icon theme called Faenza ( http://tiheum.deviantart.com/art/Faenza-Icons-173323228 )
flatsvg : Flat SVG icon set ( http://www.kde-look.org/content/show.php?content=17158 )
fluxbox-styles-fluxmod : A collection of FluxBox themes from FluxMod ( http://tenr.de/styles/ )
fvwm-crystal : Configurable and full featured FVWM theme, with lots of transparency and freedesktop compatible menu ( http://fvwm-crystal.sourceforge.net/ )
fvwm-themes : A configuration framework for the fvwm window manager ( http://fvwm-themes.sourceforge.net/ )
fvwm-themes-extra : Extra themes for fvwm-themes ( http://fvwm-themes.sourceforge.net/ )
fvwm_sounds : Sounds for use with FVWM ( http://www.fvwm.org/ )
gargantuan-icon-theme : Gargantuan Icon Theme ( http://www.gnome-look.org/content/show.php?content=24364 )
gartoon-redux : A massively improved variant of the well-known Gartoon theme ( http://gnome-look.org/content/show.php/?content=74841 )
geany-themes : A collection of colour schemes for Geany ( https://github.com/codebrainz/geany-themes )
gentoo-artwork : A collection of miscellaneous Gentoo Linux logos and artwork ( https://wiki.gentoo.org/wiki/Project:Artwork )
gentoo-artwork-livecd : A collection of Gentoo Linux wallpapers for the LiveCD ( https://www.gentoo.org/ )
gentoo-xcursors : A high quality set of animated mouse cursors ( https://www.gentoo.org/ )
gentoo10-backgrounds : Gentoo - 10 Years Compiling Background Artwork ( https://www.gentoo.org/proj/en/pr/releases/10.0/graphics.xml )
geramik : GTK+1 and GTK+2 Geramik Themes ( http://www.kde-look.org/content/show.php?content=3952 )
gkrellm-themes : A pack of ~200 themes for GKrellM ( http://www.muhri.net/gkrellm )
gnome-backgrounds : A set of backgrounds packaged with the GNOME desktop ( https://git.gnome.org/browse/gnome-backgrounds )
gnome-colors-common : Colorized icons shared between all gnome-colors iconsets ( https://code.google.com/p/gnome-colors/ )
gnome-colors-themes : Some gnome-colors iconsets including a Gentoo one ( https://code.google.com/p/gnome-colors/ )
gnome-icon-theme : GNOME default icon theme ( https://www.gnome.org/ http://people.freedesktop.org/~jimmac/icons/#git )
gnome-icon-theme-extras : Extra GNOME icons for specific devices and file types ( https://www.gnome.org/ https://git.gnome.org/browse/gnome-icon-theme-extras/ )
gnome-icon-theme-symbolic : Symbolic icons for GNOME default icon theme ( https://git.gnome.org/browse/gnome-icon-theme-symbolic/ )
gnome-themes-standard : Standard Themes for GNOME Applications ( https://git.gnome.org/browse/gnome-themes-standard/ )
gnustep-neos-theme : GNUstep theme closely following the original NeXT look and feel ( http://gap.nongnu.org/themes/index.html )
gnustep-silver-theme : a GNUstep silver theme ( http://wiki.gnustep.org/index.php/Silver.theme )
goddard-backgrounds : Fedora official background artwork ( https://fedoraproject.org/wiki/F13_Artwork )
golden-xcursors : A high quality set of Xfree 4.3.0 animated mouse cursors ( http://www.kde-look.org/content/show.php?content=5507 )
greybird : The default theme from Xubuntu ( http://shimmerproject.org/project/greybird/ https://github.com/shimmerproject/Greybird )
gtk-chtheme : GTK-2.0 Theme Switcher ( http://plasmasturm.org/programs/gtk-chtheme/ )
gtk-engines : GTK+2 standard engines and themes ( http://www.gtk.org/ )
gtk-engines-aurora : Aurora GTK+ 2.x Theme Engine ( http://www.gnome-look.org/content/show.php?content=56438 )
gtk-engines-candido : Candido GTK+ 2.x Theme Engine ( http://sourceforge.net/projects/candido.berlios/ )
gtk-engines-experience : GTK+ Experience Theme Engine ( http://benjamin.sipsolutions.net/Projects/eXperience )
gtk-engines-flat : GTK+ Flat Theme Engine ( https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/x11-themes/gtk-engines-flat/ )
gtk-engines-murrine : Murrine GTK+2 Cairo Engine ( http://www.cimitan.com/murrine/ )
gtk-engines-nodoka : GTK+ engine and themes developed by the Fedora Project ( https://fedorahosted.org/nodoka/ )
gtk-engines-qtpixmap : A modified version of the original GTK pixmap engine which follows the KDE color scheme ( http://www.kde-look.org/content/show.php?content=7043 )
gtk-engines-quartz : OSX GTK+ Theme Engine ( http://sourceforge.net/apps/trac/gtk-osx/wiki/GtkQuartzEngine )
gtk-engines-rezlooks : Rezlooks GTK+ Engine ( http://www.gnome-look.org/content/show.php?content=39179 )
gtk-engines-ubuntulooks : A derivative of the standard Clearlooks GTK+ 2.x engine with more orange approach ( http://packages.ubuntu.com/search?keywords=gtk2-engines-ubuntulooks )
gtk-engines-unico : The Unico GTK+ 3.x theming engine ( https://launchpad.net/unico )
gtk-engines-xfce : A port of Xfce engine to GTK+ 3.x ( http://www.xfce.org/projects/ )
gtk-theme-switch : Utility to switch and preview GTK+ theme ( http://packages.qa.debian.org/g/gtk-theme-switch.html )
haematite-xcursors : A simple crispy dark-grey xcursor theme ( http://www.kde-look.org/content/show.php/Haematite?content=19594 )
hicolor-icon-theme : Fallback theme for the freedesktop icon theme specification ( http://icon-theme.freedesktop.org/wiki/HicolorTheme )
human-icon-theme : A nice and well polished icon theme ( http://packages.ubuntu.com/lucid/human-icon-theme )
iceicons : IceWM Icons is a set of XPM 16x16, 32x32, and 48x48 XPM and PNG icons for IceWM ( http://sandbox.cz/~covex/icewm/iceicons/ )
icewm-themes : Collection of IceWM themes ( http://www.icewm.org )
kfaenza : Faenza-Cupertino icon theme for KDE ( http://kde-look.org/content/show.php/KFaenza?content=143890 http://kde-look.org/content/show.php/KFaenza+icon+patch?content=153813 http://kde-look.org/content/show.php/Additional+KFaenza+Icons?content=147483 )
korilla : Kool Gorilla Icon Set for KDE ( http://www.kde-look.org/content/show.php?content=7264 )
larry-backgrounds : Wallpapers featuring Gentoo mascot Larry the cow ( https://www.gentoo.org/main/en/graphics.xml#wallpapers )
laughlin-backgrounds : Fedora official background artwork ( https://fedoraproject.org/wiki/F14_Artwork )
leonidas-backgrounds : Fedora official background artwork ( https://fedoraproject.org/wiki/F11_Artwork )
light-themes : GTK2/GTK3 Ambiance and Radiance themes from Ubuntu ( https://launchpad.net/light-themes )
lovelock-backgrounds : Fedora official background artwork ( https://fedoraproject.org/wiki/F15_Artwork )
lush : Lush KDE icon theme ( http://www.kde-look.org/content/show.php?content=5483 )
matchbox-themes-extra : Extra themes for the matchbox window manager ( http://matchbox-project.org/ )
mate-backgrounds : A set of backgrounds packaged with the MATE desktop ( http://mate-desktop.org )
mate-icon-theme : MATE default icon themes ( http://mate-desktop.org )
mate-icon-theme-faenza : Faenza icon theme, that was adapted for MATE desktop ( http://mate-desktop.org )
mate-themes : A set of MATE themes, with sets for users with limited or low vision ( http://mate-desktop.org )
murrine-themes : Themes for the Murrine GTK+2 Cairo Engine ( http://www.cimitan.com/murrine/ )
nimbus : The default OpenSolaris theme (GTK+ 2.x engine, icon- and metacity theme) ( http://dlc.sun.com/osol/jds/downloads/extras/nimbus/ )
nitrogen : A window decoration for KDE ( http://kde-look.org/content/show.php/Nitrogen?content=99551 )
noia : The Noia icon theme ( http://www.kde-look.org/content/show.php?content=3883 )
notify-osd-icons : Icons for on-screen-display notification agent ( https://launchpad.net/notify-osd )
nou-icon-theme : A scalable icon theme called Nou ( http://www.silvestre.com.ar/ )
nuovo-icon-theme : A scalable icon theme called Nuovo ( http://www.silvestre.com.ar/ )
nuvola : Nuvola SVG icon theme ( http://www.kde-look.org/content/show.php?content=5358 )
nuvox : NuvoX SVG icon theme ( http://www.kde-look.org/content/show.php?content=38467 )
obsidian-xcursors : A shiny and clean xcursor theme ( http://www.kde-look.org/content/show.php/Obsidian+Cursors?content=73135 )
oxygen-gtk : Official GTK+:2 port of KDE's Oxygen widget style ( https://projects.kde.org/projects/playground/artwork/oxygen-gtk )
oxygen-molecule : Unified KDE and GTK+ theme ( http://www.kde-look.org/content/show.php?content=103741 )
pearlgrey-xcursors : A simple crispy white-grey xcursor theme ( http://www.kde-look.org/content/show.php/PearlGrey?content=11313 )
pidgin-penguins-smileys : Penguins pidgin smiley theme ( http://gnome-look.org/content/show.php?content=62566 )
psi-themes : Iconsets for Psi, a Qt4 Jabber Client ( http://psi-im.org/ http://jisp.netflint.net/ )
pulse-glass : The Pulse Glass x11 mouse cursor theme ( http://kde-look.org/content/show.php/Pulse+Glass?content=124442 )
qtcurve : A set of widget styles for Qt and GTK2 ( https://github.com/QtCurve/qtcurve )
redhat-artwork : RedHat's Bluecurve theme for GTK2, KDE, GDM, Metacity and Nautilus ( https://www.redhat.com )
sawfish-themes : Some nice themes for Sawfish ( http://themes.freshmeat.net/ )
shiki-colors : Shiki-Colors mixes the elegance of a dark theme with the usability of a light theme ( https://code.google.com/p/gnome-colors/ )
silver-xcursors : A high quality set of Xfree 4.3.0 animated mouse cursors ( http://www.kde-look.org/content/show.php?content=5533 )
skinenigmang-logos : VDR - Skin Plugin: enigma-ng logos ( http://andreas.vdr-developer.org/enigmang/download.htm )
skulpture : Classical style and window decorations for KDE ( http://skulpture.maxiom.de/ )
slim-themes : SLiM (Simple Login Manager) themes pack ( http://sourceforge.net/projects/slim.berlios/ )
smaragd : KWin theme engine that uses Emerald themes ( http://kde-look.org/content/show.php?content=125162 )
smplayer-skins : Skins for SMPlayer ( http://smplayer.sourceforge.net/ )
smplayer-themes : Icon themes for smplayer ( http://smplayer.sourceforge.net/ )
solar-backgrounds : Fedora official background artwork ( https://fedoraproject.org/wiki/F11_Artwork )
sound-theme-freedesktop : Default freedesktop.org sound theme following the XDG theming specification ( http://www.freedesktop.org/wiki/Specifications/sound-theme-spec )
tactile : Nice, calm and dark low contrast GTK+ theme ( http://gnome-look.org/content/show.php/Tactile?content=40771 )
tactile3 : The third evolution of Tactile theme series ( http://gnome-look.org/content/show.php/Tactile3?content=111845 )
tangerine-icon-theme : a derivative of the standard Tango theme, using a more orange approach ( http://packages.ubuntu.com/gutsy/x11/tangerine-icon-theme )
tango-icon-theme : SVG and PNG icon theme from the Tango project ( http://tango.freedesktop.org )
tango-icon-theme-extras : Tango icons for iPod Digital Audio Player (DAP) devices and the Dell Pocket DJ DAP ( http://tango.freedesktop.org )
ubuntu-wallpapers : Ubuntu wallpapers ( https://launchpad.net/ubuntu/+source/ubuntu-wallpapers )
vanilla-dmz-aa-xcursors : Style neutral scalable cursor theme ( http://jimmac.musichall.cz/themes.php?skin=7 )
vanilla-dmz-xcursors : Style neutral scalable cursor theme ( http://jimmac.musichall.cz/themes.php?skin=7 )
vdr-channel-logos : Logos for vdr-skin* ( http://www.vdrskins.org/ )
vdrgraphtft-avp : GraphTFT theme: Alien vs Predator ( http://www.vdr-wiki.de/wiki/index.php/Graphtft-plugin )
vdrgraphtft-deepblue : GraphTFT theme: Deep Blue ( http://www.vdr-wiki.de/wiki/index.php/Graphtft-plugin )
vdrgraphtft-deeppurple : GraphTFT theme: Alien vs Predator ( http://www.vdr-wiki.de/wiki/index.php/Graphtft-plugin )
vdrgraphtft-poetter : GraphTFT theme: Poetter ( http://www.vdr-wiki.de/wiki/index.php/Graphtft-plugin )
verne-backgrounds : Fedora official background artwork ( https://fedoraproject.org/wiki/F16_Artwork )
windowmaker-themes : Collection of Window Maker themes ( http://www.windowmaker.org/ )
wm-icons : A Large Assortment of Beutiful Themed Icons, Created with FVWM in mind ( http://wm-icons.sourceforge.net/ )
xcursor-neutral : \"Neutral_Plus\", the standard X.Org mouse cursor with shadows and animations ( http://kde-look.org/content/show.php/show.php?content=48837 )
xcursor-themes : X.Org cursor themes: whiteglass, redglass and handhelds ( )
xfce-gant-icon-theme : Xfce Gant Icon Theme ( http://www.xfce-look.org/content/show.php/GANT?content=23297 )
xfwm4-themes : Additional themes for the Xfce window manager ( http://www.xfce.org/projects/ )
xxv-skins : Additional skins for XXV ( http://projects.vdr-developer.org/projects/xxv )
yasis-icon-theme : A scalable icon theme called Yasis ( http://www.silvestre.com.ar/ )
zukini : Unified look for GTK+ 2.x, GTK+ 3.x, gnome-shell, metacity and more ( http://lassekongo83.deviantart.com/#/d4ic1u2 )
zukitwo : Theme for GNOME 2 and 3 ( http://gnome-look.org/content/show.php/Zukitwo?content=140562 )
zukitwo-shell : Zukitwo theme for GNOME Shell ( http://gnome-look.org/content/show.php/Zukitwo?content=140562 )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gentoo
For Paludis use this rsync : rsync://gentoo.zugaina.org/gentoo-portage
If you have a problem : ycarus(-at-)zugaina.org