Linux Hint published a tutorial about installing and using gThumb on Ubuntu.
How to install and use gThumb on Ubuntu
The gThumb app is an open-source software image viewer, image organizer, and a well-integrated tool for GNOME desktop environments. Moreover, it is also available for most of the Linux distros; Ubuntu comes with a default image viewer named as the eye of GNOME (eog); this default app of Ubuntu has very basic functionalities; on the other hand; gThumb acts as a multipurpose tool for image handlings in Ubuntu. This article explains about the gThumb application, how to install and remove it from the Ubuntu system.
