Forum thread: http://gallery.menalto.com/index.php?name=PNphpBB2&file=viewtopic&t=26040
In short: it integrates the roll-over effect from http://www.jsfx.com in gallery2.
$> cd gallery
$> cp layouts/matrix/ layouts/jsfxmatrix/
$> cd layouts/jsfxmatrix/
$> patch -p1 < matrix2jsfxmatrix.patch
@layouts/jsfxmatrix/templates/head.tpl
<script LANGUAGE="JavaScript"> JSFX.FadeElemMinOpacity = 70; JSFX.FadeElemAutoUp = 5; JSFX.FadeElemAutoDown = 10; </script>
$> wget http://www.jsfx.com/development/elemfader/javascript/JSFX_ElemFader.js
@modules/imageframe/templates/ImageFrame.tpl:40
class="$class" id="IFid`$IF_count`"}{/if}{if