None of the version available were ever finished, the
development for Linux stopped back in 2006 (AFAIK)
http://www.linux.com/feature/119790
Xara Xtreme version 0.7 Revision 1692, the stable one
will open jpg's only if you rename to " .xar "
Xara Xtreme version 0.7 Revision 1785, unstable,
can do "All files"