xpertmud/

xpertmud/appdata/artwork/

xpertmud/appdata/artwork/buildings/

xpertmud/appdata/artwork/roads/

xpertmud/appdata/perl/

xpertmud/appdata/python/

xpertmud/appdata/status/

xpertmud/dll/interpreter/

xpertmud/dll/plugins/

xpertmud/icon/

Most of the graphics are taken from MegaMek
(megamek.sf.net)

They make a great game, check it out if you haven't already done so.