XnView is a great image viewer popular under Windows and now available in Ubuntu 🙂

mkdir -p ~/build/xnview
cd ~/build/xnview
wget http://download.xnview.com/XnViewMP-linux-x64.deb
sudo dpkg -i XnViewMP-linux-x64.deb
sudo apt-get install -f

References

1. XnView Home
2. http://download.xnview.com/