Does not accept relative directory as command-line argument
Tested with gthumb 3.8.0 (the usual problem with GNOME stuff that it's tricky to install newer versions, sorry!).
$ gthumb foo/
# Opens my home directory
$ gthumb `pwd`/foo/
# Opens ./foo
Tested with gthumb 3.8.0 (the usual problem with GNOME stuff that it's tricky to install newer versions, sorry!).
$ gthumb foo/
# Opens my home directory
$ gthumb `pwd`/foo/
# Opens ./foo