Comix is an image viewer specifically designed to handle comic books. It reads ZIP, RAR and tar archives (also gzip or bzip2 compressed), as well as plain image files. It has a simple and user-friendly GUI using PyGTK.
As of version 2.4 Comix has support for internationalization and is already translated to Swedish, Simplified Chinese (by Emfox Zhou) and to Spanish (by Manuel Quiñones). There are some new features and fixes as well.
Read more at http://comix.sourceforge.net