The icons on the welcome screen should be installed into /usr/share/icons/hicolor so that they can rethemed.
"address-book-insert" and "contact-new" should go into /usr/share/icons/hicolor/48x48/actions
The icons on the welcome screen should be installed into /usr/share/ icons/hicolor so that they can rethemed.
"address- book-insert" and "contact-new" should go into /usr/share/ icons/hicolor/ 48x48/actions