diff --git a/doc/files/LogoAgent.html b/doc/files/LogoAgent.html
index 129c743..912f90d 100644
--- a/doc/files/LogoAgent.html
+++ b/doc/files/LogoAgent.html
@@ -65,6 +65,8 @@ <h1>logo</h1>
 	
 		
 			
+		
+	
 		
 	
 
@@ -94,6 +96,8 @@ <h1><a href="../files/models.html">Models</a></h1>
 		
 	
 		
+	
+		
 	
 		
 	
@@ -117,6 +121,7 @@ <h1>Types</h1>
 		
 		
 		
+		
 	</ul>
 
 
@@ -140,6 +145,10 @@ <h1>Types</h1>
 	
 		
 	
+		
+	
+		
+			
 		
 	
 
@@ -160,6 +169,12 @@ <h1>Functions</h1>
 		
 		
 		
+					<li>
+						<a href="../files/Utils.html">Utils</a>
+					</li>
+				
+			
+		
 	</ul>
 
 
diff --git a/doc/files/LogoModel.html b/doc/files/LogoModel.html
index 8958fd6..8117544 100644
--- a/doc/files/LogoModel.html
+++ b/doc/files/LogoModel.html
@@ -65,6 +65,8 @@ <h1>logo</h1>
 	
 		
 			
+		
+	
 		
 	
 
@@ -94,6 +96,8 @@ <h1><a href="../files/models.html">Models</a></h1>
 		
 	
 		
+	
+		
 	
 		
 	
@@ -115,6 +119,7 @@ <h1>Types</h1>
 		
 		
 		
+		
 	</ul>
 
 
@@ -138,6 +143,10 @@ <h1>Types</h1>
 	
 		
 	
+		
+	
+		
+			
 		
 	
 
@@ -160,6 +169,12 @@ <h1>Functions</h1>
 		
 		
 		
+					<li>
+						<a href="../files/Utils.html">Utils</a>
+					</li>
+				
+			
+		
 	</ul>
 
 
diff --git a/doc/files/Utils.html b/doc/files/Utils.html
new file mode 100644
index 0000000..e7bbf03
--- /dev/null
+++ b/doc/files/Utils.html
@@ -0,0 +1,350 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+	<head>
+	    
+	    	<title>Simple spatial ABM</title>
+	    
+	    <link rel="stylesheet" href="../luadoc.css" type="text/css" />
+		<!--meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/-->
+	</head>
+
+	<body>
+		<div id="container">
+			<div id="product">
+				<div id="product_logo">
+					<a href="http://www.terrame.org">
+					<img src='../img/terrame.png'/><br/></div></a>
+				<div id="product_name"><big><b></b></big></div>
+				<div id="product_description"></div>
+			</div> <!-- id="product" -->
+
+			<div id="main">
+				<div id="navigation">
+					<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+
+
+<h1>logo</h1>
+<ul>
+	
+		<li><a href="../index.html">Index</a></li>
+	
+</ul>
+
+<!-- Module list -->
+
+
+<!-- Models list -->
+
+	
+	
+		
+			
+		
+	
+		
+			
+		
+	
+		
+			
+		
+	
+		
+	
+		
+	
+		
+			
+		
+	
+		
+			
+		
+	
+		
+			
+		
+	
+		
+	
+
+	
+		
+			<h1><a href="../files/models.html">Models</a></h1>
+		
+	
+
+
+<!-- Types list -->
+
+	
+	
+		
+	
+		
+	
+		
+	
+		
+	
+		
+			
+		
+	
+		
+	
+		
+	
+		
+	
+		
+	
+
+	
+		<h1>Types</h1>
+	
+
+	<ul>
+		
+		
+		
+		
+		
+					<li>
+						<a href="../files/LogoModel.html">LogoModel</a>
+					</li>
+				
+			
+		
+		
+		
+		
+		
+	</ul>
+
+
+<!-- Files list -->
+
+	
+	
+		
+	
+		
+	
+		
+	
+		
+			
+		
+	
+		
+	
+		
+	
+		
+	
+		
+	
+		
+			
+		
+	
+
+	
+		<h1>Functions</h1>
+	
+
+	<ul>
+		
+		
+		
+		
+					<li>
+						<a href="../files/LogoAgent.html">LogoAgent</a>
+					</li>
+				
+			
+		
+		
+		
+		
+		
+					<li><strong>Utils</strong></li>
+				
+			
+		
+	</ul>
+
+
+<!-- Examples -->
+
+
+<!-- Data -->
+
+	
+		<h1><a href="../files/data.html">Data</a></h1>
+	
+
+
+
+<!-- Font -->
+
+
+
+				</div> <!-- id="navigation" -->
+
+				<div id="content">
+					<h1>Utils
+					
+					
+					</h1>
+
+					
+						<span class="description"></span>
+					
+					
+					
+					
+
+					
+						
+
+						
+							<h2 class="function_list">Functions</h2>
+							<table class="function_list">
+							
+								
+									<tr>
+										<td class="name" nowrap><a href="#getLabyrinth">getLabyrinth</a>&nbsp;
+<td class="summary">Return a CellularSpace with the representation of a given labyrinth data available in the package.</td>
+									</tr>
+								
+							
+								
+									<tr>
+										<td class="name" nowrap><a href="#getSugar">getSugar</a>&nbsp;
+<td class="summary">Return a CellularSpace with the representation of a given sugarscape data available in the package.</td>
+									</tr>
+								
+							
+						
+						</table>
+					
+
+					
+
+					<!--<br/>
+					<br/>-->
+
+					
+						
+						<dl class="function">
+							
+									<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+
+
+<dt><h2><a name="getLabyrinth">
+
+	</a><strong>getLabyrinth</strong>&nbsp;
+
+</h2></dt>
+<dd>
+
+
+<span class="description">Return a CellularSpace with the representation of a given labyrinth data available in the package.</span>
+
+
+
+
+<!-- Function arguments -->
+  <h3>Arguments</h3>
+<ul><span class="arg">
+
+    <li>
+	  <strong>#1</strong>: A string with the name of a labyrinth.
+    </li> 
+    
+  
+  </span></ul>
+
+
+
+
+
+
+
+<h3>Usage</h3>
+<pre class="example"><code><span class="id">cs</span> = <span class="function">getLabyrinth</span>(<span class="string">"room"</span>)</code></pre>
+
+
+
+
+</dd>
+
+
+						    	
+							
+									<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+
+
+<dt><h2><a name="getSugar">
+
+	</a><strong>getSugar</strong>&nbsp;
+
+</h2></dt>
+<dd>
+
+
+<span class="description">Return a CellularSpace with the representation of a given sugarscape data available in the package.</span>
+
+
+
+
+<!-- Function arguments -->
+  <h3>Arguments</h3>
+<ul><span class="arg">
+
+    <li>
+	  <strong>#1</strong>: A string with the name of a sugarscape.
+    </li> 
+    
+  
+  </span></ul>
+
+
+
+
+
+
+
+<h3>Usage</h3>
+<pre class="example"><code><span class="id">cs</span> = <span class="function">getSugar</span>(<span class="string">"room"</span>)</code></pre>
+
+
+
+
+</dd>
+
+
+						    	
+							
+						</dl>
+					
+
+					
+
+				</div> <!-- id="content" -->
+			</div> <!-- id="main" -->
+
+			<div id="about">
+				<p><a href="http://validator.w3.org/check?uri=referer"><img src="http://www.w3.org/Icons/valid-xhtml10" alt="Valid XHTML 1.0!" height="31" width="88" /></a></p>
+			</div> <!-- id="about" -->
+
+		</div> <!-- id="container" -->	
+	</body>
+</html>
+
diff --git a/doc/files/data.html b/doc/files/data.html
index 7060ff5..00ae6f6 100644
--- a/doc/files/data.html
+++ b/doc/files/data.html
@@ -65,6 +65,8 @@ <h1>logo</h1>
 	
 		
 			
+		
+	
 		
 	
 
@@ -94,6 +96,8 @@ <h1><a href="../files/models.html">Models</a></h1>
 		
 	
 		
+	
+		
 	
 		
 	
@@ -117,6 +121,7 @@ <h1>Types</h1>
 		
 		
 		
+		
 	</ul>
 
 
@@ -140,6 +145,10 @@ <h1>Types</h1>
 	
 		
 	
+		
+	
+		
+			
 		
 	
 
@@ -162,6 +171,12 @@ <h1>Functions</h1>
 		
 		
 		
+					<li>
+						<a href="../files/Utils.html">Utils</a>
+					</li>
+				
+			
+		
 	</ul>
 
 
@@ -218,6 +233,11 @@ <h1>Data</h1>
 					<dl class="function">
 					
 						<dt><h2>crossRoom.labyrinth<a name="crossRoom.labyrinth"></h2></dt>
+
+						
+							
+							<center><img src=../../images/crossroom.bmp ></center><br><br>
+						
 						
 							A room with a cross in the middle.
 						
@@ -234,6 +254,11 @@ <h1>Data</h1>
 						</dd>
 					
 						<dt><h2>default.sugar<a name="default.sugar"></h2></dt>
+
+						
+							
+							<center><img src=../../images/default.bmp ></center><br><br>
+						
 						
 							The traditional sugarscape.
 						
@@ -250,6 +275,11 @@ <h1>Data</h1>
 						</dd>
 					
 						<dt><h2>maze.labyrinth<a name="maze.labyrinth"></h2></dt>
+
+						
+							
+							<center><img src=../../images/maze.bmp ></center><br><br>
+						
 						
 							A small maze.
 						
@@ -266,6 +296,11 @@ <h1>Data</h1>
 						</dd>
 					
 						<dt><h2>room.labyrinth<a name="room.labyrinth"></h2></dt>
+
+						
+							
+							<center><img src=../../images/room.bmp ></center><br><br>
+						
 						
 							An empty room.
 						
@@ -282,6 +317,11 @@ <h1>Data</h1>
 						</dd>
 					
 						<dt><h2>small.sugar<a name="small.sugar"></h2></dt>
+
+						
+							
+							<center><img src=../../images/small.bmp ></center><br><br>
+						
 						
 							A small sugarscape.
 						
diff --git a/doc/files/font.html b/doc/files/font.html
index 1956eba..3b85f2a 100644
--- a/doc/files/font.html
+++ b/doc/files/font.html
@@ -68,6 +68,8 @@ <h1>logo</h1>
 	
 		
 			
+		
+	
 		
 	
 
@@ -97,6 +99,8 @@ <h1><a href="../files/models.html">Models</a></h1>
 		
 	
 		
+	
+		
 	
 		
 	
@@ -120,6 +124,7 @@ <h1>Types</h1>
 		
 		
 		
+		
 	</ul>
 
 
@@ -143,6 +148,10 @@ <h1>Types</h1>
 	
 		
 	
+		
+	
+		
+			
 		
 	
 
@@ -165,6 +174,12 @@ <h1>Functions</h1>
 		
 		
 		
+					<li>
+						<a href="../files/Utils.html">Utils</a>
+					</li>
+				
+			
+		
 	</ul>
 
 
diff --git a/doc/files/models.html b/doc/files/models.html
index 3d7b4b5..773bf50 100644
--- a/doc/files/models.html
+++ b/doc/files/models.html
@@ -65,6 +65,8 @@ <h1>logo</h1>
 	
 		
 			
+		
+	
 		
 	
 
@@ -94,6 +96,8 @@ <h1>Models</h1>
 		
 	
 		
+	
+		
 	
 		
 	
@@ -117,6 +121,7 @@ <h1>Types</h1>
 		
 		
 		
+		
 	</ul>
 
 
@@ -140,6 +145,10 @@ <h1>Types</h1>
 	
 		
 	
+		
+	
+		
+			
 		
 	
 
@@ -162,6 +171,12 @@ <h1>Functions</h1>
 		
 		
 		
+					<li>
+						<a href="../files/Utils.html">Utils</a>
+					</li>
+				
+			
+		
 	</ul>
 
 
@@ -233,28 +248,42 @@ <h1>Models</h1>
 							</tr>
 							
 						
+							
+						
 					</table>
 					<dl class="function">
 						
 							
 								<dt><h2>GrowingSociety<a name="GrowingSociety"></h2></dt>
-									Model where a given Society grows, filling the whole space. Agents reproduce with 20% of probability if there is an empty neighbor.
 									
 									
+										
+										<center><img src=../../images/growing-society.bmp ></center><br><br>
+									
+									Model where a given Society grows, filling the whole space. Agents reproduce with 20% of probability if there is an empty neighbor.
+									
 							
 						
 							
 								<dt><h2>Labyrinth<a name="Labyrinth"></h2></dt>
-									A labyrynth, where agents move randomly from a given entrance until an exit point. There are some available labyrynths available. See the documentation of data.
 									
 									
+										
+										<center><img src=../../images/labyrinth.bmp ></center><br><br>
+									
+									A labyrynth, where agents move randomly from a given entrance until an exit point. There are some available labyrynths available. See the documentation of data.
+									
 							
 						
 							
 								<dt><h2>LifeCycle<a name="LifeCycle"></h2></dt>
-									A model where agents reproduce and die by age. Each Agent starts with age zero. From age 15 until 30 they have 30% of chance of reproducing if there is an empty neighbor cell. Agents have 5% of probability of dying each time step after age 20.
 									
 									
+										
+										<center><img src=../../images/life-cycle.bmp ></center><br><br>
+									
+									A model where agents reproduce and die by age. Each Agent starts with age zero. From age 15 until 30 they have 30% of chance of reproducing if there is an empty neighbor cell. Agents have 5% of probability of dying each time step after age 20.
+									
 							
 						
 							
@@ -263,23 +292,37 @@ <h1>Models</h1>
 						
 							
 								<dt><h2>Overpopulation<a name="Overpopulation"></h2></dt>
-									Model where Agents die by overpopulation. Each Agent beeds with a probability of 30% and die if there are more than three Agents in the neighborhood.
 									
 									
+										
+										<center><img src=../../images/overpopulation.bmp ></center><br><br>
+									
+									Model where Agents die by overpopulation. Each Agent beeds with a probability of 30% and die if there are more than three Agents in the neighborhood.
+									
 							
 						
 							
 								<dt><h2>SingleAgent<a name="SingleAgent"></h2></dt>
-									A single agent moving around randomly.
 									
 									
+										
+										<center><img src=../../images/single-agent.bmp ></center><br><br>
+									
+									A single agent moving around randomly.
+									
 							
 						
 							
 								<dt><h2>Sugarscape<a name="Sugarscape"></h2></dt>
-									Model where a given Society grows, filling the whole space. Agents reproduce with 20% of probability if there is an empty neighbor.
 									
 									
+										
+										<center><img src=../../images/sugarscape.bmp ></center><br><br>
+									
+									Model where a given Society grows, filling the whole space. Agents reproduce with 20% of probability if there is an empty neighbor.
+									
+							
+						
 							
 						
 					</dl>
diff --git a/doc/index.html b/doc/index.html
index 40d20f3..27f499d 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -67,6 +67,8 @@ <h1>logo</h1>
 	
 		
 			
+		
+	
 		
 	
 
@@ -96,6 +98,8 @@ <h1><a href="files/models.html">Models</a></h1>
 		
 	
 		
+	
+		
 	
 		
 	
@@ -119,6 +123,7 @@ <h1>Types</h1>
 		
 		
 		
+		
 	</ul>
 
 
@@ -142,6 +147,10 @@ <h1>Types</h1>
 	
 		
 	
+		
+	
+		
+			
 		
 	
 
@@ -164,6 +173,12 @@ <h1>Functions</h1>
 		
 		
 		
+					<li>
+						<a href="files/Utils.html">Utils</a>
+					</li>
+				
+			
+		
 	</ul>
 
 
@@ -196,7 +211,7 @@ <h1><a href="files/data.html">Data</a></h1>
 						<b>License: </b>GPL<br>
 						
 
-						<b>Release: </b>09 Setembro 2015<br>
+						<b>Release: </b>22 September 2015<br>
 						
 
 						<b>Authors: </b> Pedro R. Andrade<br>
@@ -249,6 +264,8 @@ <h1><a href="files/data.html">Data</a></h1>
 						
 							
 								
+							
+						
 							
 						
 
@@ -303,6 +320,8 @@ <h2><a href="files/models.html">Models</a></h2>
 									</tr>
 								
 							
+								
+							
 							</table>
 						
 					
@@ -325,6 +344,8 @@ <h2><a href="files/models.html">Models</a></h2>
 							
 						
 							
+						
+							
 						
 							
 						
@@ -356,6 +377,8 @@ <h2>Types</h2>
 							
 								
 							
+								
+							
 						</table>
 					
 
@@ -378,6 +401,10 @@ <h2>Types</h2>
 						
 							
 						
+							
+						
+							
+								
 							
 						
 
@@ -409,6 +436,13 @@ <h2>Functions</h2>
 							
 								
 							
+								
+									<tr>
+										<td class="name"><a href="files/Utils.html">Utils</a></td>
+										<td class="summary"> </td>
+									</tr>
+								
+							
 						</table>
 					
 
diff --git a/doc/luadoc.css b/doc/luadoc.css
index 4f33d45..63259d3 100644
--- a/doc/luadoc.css
+++ b/doc/luadoc.css
@@ -56,8 +56,10 @@ a:link { font-weight:bold; color: #004080; text-decoration: none; }
 a:visited { font-weight:bold; color: #006699; text-decoration: none; }
 a:link:hover { text-decoration:underline; }
 hr { color:#cccccc }
-img { border-width: 0px; }
-
+.imgBorder {
+	border-width: 1px;
+	border-color: Black;
+}
 
 h3 { padding-top: 1em; }
 

getLabyrinth +	Return a CellularSpace with the representation of a given labyrinth data available in the package.
getSugar +	Return a CellularSpace with the representation of a given sugarscape data available in the package.