I am on a x64 Archlinux running openbox DE and have been strugling for some time now to configure Skype to use my GTK+ theme which i set to Oxygen.
I have tried following this wiki as well as this thread and none has worked out for me. I have already installed lib32-gtk-engines package from Archlinux AUR packages site. Still Skype wont change its appearance.
The GTK+ theme is set as you can see: