You can get the Simple Machines Forum software from here: http://www.simplemachines.org/
OLD FILES:
Misc files:
XdN Classic Theme for SMF 1.0 (tested in 1.0.1)
Version 1.0e (Jan 26th, 2005)
smf_theme_xdn_classic_1.0e.zip (123 KB)
Show Only Authenticated Users Modification Package for SMF 1.0 (tested in 1.0.1)
Version 1.0.1
ShowOnlyAuthenticatedMembers_101.zip (2 KB)
This modification will only show authenticated users on your Board Index and Member List. This is so if a problem user keeps registering offensive names, they won't be shown on the forum.