scaricato....se vai nel file del template slideshow.php hai l'elenco delle slides.
<div id="wrapper-slide">
<div class="pagewidth">
<div id ="slide">
<div id="slider" class="nivoSlider">
<img src="templates/<?php echo $this->template ?>/images/slide1.jpg" alt="image1" title="<?php echo $caption1 ?>" />
<img src="templates/<?php echo $this->template ?>/images/slide2.jpg" alt="image1" title="<?php echo $caption2 ?>" />
<img src="templates/<?php echo $this->template ?>/images/slide3.jpg" alt="image1" title="<?php echo $caption3 ?>" />
</div>
</div>
</div>
</div>
aggiungi altre slides a piacimento...dovrebbe funzionare