Heh, a friend of mine just did something similar. He has a "quote of the minute" on his web site.

The concept is thus: 

my @images = (...);

# new one each minute
my $display = $images[(time/60) % @images];

[download]
Is that sufficient? Divide by 3600 for an image each hour, etc.
_____________________________________________________
Jeff japhy Pinyan, P.L., P.M., P.O.D, X.S.: Perl, regex, and perl hacker
How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart

In reply to Re: Randomizing "statically" on a daily/weekly basis by japhy
in thread Randomizing "statically" on a daily/weekly basis by hacker

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