i have freshly installed the snippet but can't make it work

[[MaxiGallery? &display=`embedded` &embedtype=`slimbox` &pics_per_row=`3` &max_thumb_size=`110` &max_pic_size=`0` &thumb_use_dropshadow=`1`]]

<pre>


	<center><form action="/modx/index.php?id=1675" method="post" name="activateadminform">
	<input type="hidden" name="mode" value="admin" />

	<input type="submit" value="Manage pictures" />
</form></center>
	<br />
	









	
		<div class="thumbscontainer">
			<ul class="thumbs">
				


 
<li>




 

	<a href="/modx/galleries/1675/1dsc06339s.jpg" rel="lightbox[maxigallery]" title="Le balto - La nuit tombe">








	
	 	<img src="/modx/galleries/1675/tn_1dsc06339s.jpg" class="thumbnail" title="Le balto  » Click to zoom ->" alt="Le balto  » Click to zoom ->" />
	
	</a>
	
		<p style="width: 97px;">
		Le balto
		</p>

	
</li>



 
<li>




 

	<a href="/modx/galleries/1675/1dsc06338s.jpg" rel="lightbox[maxigallery]" title="Le balto - Un slow">







	
	 	<img src="/modx/galleries/1675/tn_1dsc06338s.jpg" class="thumbnail" title="Le balto  » Click to zoom ->" alt="Le balto  » Click to zoom ->" />
	
	</a>
	
		<p style="width: 130px;">
		Le balto
		</p>
	
</li>


 
<li>




 

	<a href="/modx/galleries/1675/dsc06328s.jpg" rel="lightbox[maxigallery]" title="Le Balto - Concert devant le restaurant">








	
	 	<img src="/modx/galleries/1675/tn_dsc06328s.jpg" class="thumbnail" title="Le Balto  » Click to zoom ->" alt="Le Balto  » Click to zoom ->" />
	
	</a>
	
		<p style="width: 130px;">
		Le Balto
		</p>
	
</li>
</ul>
<ul class="thumbs">
			</ul>
		</div>

	

</pre>


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</div>