You're just printing the location of the image you want. This won't work, as the browser expects the SRC attribute to point to the image data itself. You'd need either

• some sort of Server Side Include (SSI) processing to be enabled so that it would be expanded in place
• make the page itself generated by a CGI program which prints the different location
• have the next_pic.cgi program redirect the browser to the correct image URL
• have the next_pic.cgi program print the actual content of the image

#!/usr/bin/perl
print "Content/Type: image/png\n\n";
open( PIC, "../images/pic1.png" ) or die "Can't open: $!\n";
print while <PIC>;
close( PIC );

exit 0;
__END__
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