Well... There is already a copyright/infos link on the bottom of each page because header/footer are on each page. If ppl want to look where the board comes from they'll only have to click on the link and the credits will be shown, as well as all other credits for the cgi (pool, mailing list, calendar, etc).
Look what I mean at
my site Mr_SpAcE
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Part time human being
Full time techno maniac