What is Berry?
Berry is a simple, modern and light image viewer for your GNU/Linux and OpenBSD. Berry 1.0 is based on Qt5 FrameWork and QML 2.0 and released under GPLv3 license.
Berry download links for Gnu/Linux. Also source code is available on github.
sudo pacman -S berry
Reviews by websites, weblogs and communities
Berry 1.xTux Arena (English): http://www.tuxarena.com/2015/03/berry-image-viewer-1-0-comes-with-a-clean-interface-install-in-ubuntu/
Compizo Mania (Russian): http://compizomania.blogspot.com/2015/03/berry.html
Zen Way (Russian): http://zenway.ru/page/berry-image-viewer