Your readdir is failing. The first line needs to do something if it's going to be effective. You have it has: 
opendir BUFFER, "images/" or "Serious Headache! $!";

[download]
But you probably want to do: 
opendir BUFFER, "images/" or print "Serious Headache! $!";

[download]
You can also make it a fatal error by using die "Serious Headache! $!" and use CGI::Carp(fatalsToBrowser).. Hope that helps. Also, you know what they say, while in Rome, make sure you have read and executable permissions on the Romans.

    --jb

In reply to Re: Re: Re: Image Gallery by JayBonci
in thread Image Gallery by Milner99

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