https://www.icyphoenix.com/viewtopic.php?f=26&t=2208&p=15958#p15958
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Artie
Mon 04 Jun, 2007 15:59

Re: Possible To Get This Effect When Enlarging Pictures?
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Yes, you can get the script at http://www.huddletogether.com/projects/lightbox2/

Place the code to include the javascript and css files at the top of [highlight=#FFFFAA]templates/YOUR TEMPLATES/album_showpage_body.tpl[/highlight]

For the active link:
OPEN [b]album_showpage.php[/b]

FIND
[codeblock]'U_PIC_L1' => ( $picm == false ) ? '' : '<a href="' . append_sid(album_append_uid('album_showpage.' . $phpEx . '?full=true&amp;pic_id=' . $pic_id . $nuffimage_vars)) . '">',[/codeblock]
REPLACE WITH
[codeblock]     'U_PIC_L1' => ( $picm == false ) ? '' : '<a href="album_mod/upload/'.$thispic['pic_filename'].'" rel="lightbox" title="'.$thispic['pic_title'].'">',[/codeblock]