XnView MP has reached version 0.61. Since the default is version 0.51 in Ubuntu Software Center, the latest XnView brings a lot of bug fixes and improvements. With this tutorial, you can always get the latest version of XnView in Ubuntu and Linux Mint.
Changes since XnView MP 0.51:
Download & Install XnView MP:
First you may check OS type 32-bit or 64-bit by System Settings -> Details.
Then press Ctrl+Alt+T to open terminal:
For 32-bit system, download and install XnView via below 2 commands:
wget http://download.xnview.com/XnViewMP-linux.deb sudo dpkg -i XnViewMP-linux.deb; sudo apt-get -f install
For 64-bit system, run blow commands instead:
wget http://download.xnview.com/XnViewMP-linux-x64.deb sudo dpkg -i XnViewMP-linux-x64.deb; sudo apt-get -f install