Wow, I am surprised the skin chooser even works at all on archive.org. The "Classic" skin is missing, though, but it's nearly the same as "Retro", except with the colors from the default skin and the same background as the old HTML site in its last days
http://web.archive.org/web/20051211063953/http://omnimaga.dyndns.org/I still remember the DDR skin in tribute to xLIB xLIB Revolution
Btw, when archive.org cached that page, the online Omnimaga programming team was only a week old, altough that board was alerady 7 months old
People did not like that default space skin, though. It even turned away some members. A few weeks later we switched the skin to the following default one called "Omnimaga Blue Gray", after a poll:
http://web.archive.org/web/20060210232934/http://omnimaga.dyndns.org/(note, in that cache, the "classic" skin works, but most new ones don't)
Now if only every page on archive.org caches worked ;.;