Update the_scene_graph.adoc

Updated intermediate link to target intermediate section of the page.
Changed column width of the Spatials: Node vs Geometry table to 10,45,45 to make last 2 columns more readable.
Fixed typos in image widths.

src/docs/asciidoc/jme3/the_scene_graph.adoc

@@ -94,7 +94,7 @@ These default settings are called “WASD keys and “Mouse Look. You can custom
 The _scene graph_ represents your 3D world. Objects in the jME3 scene graph are called <<jme3/advanced/spatial#,Spatial>>s. Everything attached to the parent _rootNode_ is part of your scene. Your game inherits the `rootNode` object from the `SimpleApplication` class. 
 
 
-image::jme3/intermediate/scene-graph.png[scene-graph.png,with="",height="",align="center"]
+image::jme3/intermediate/scene-graph.png[scene-graph.png,width="",height="",align="center"]
 
 
 *  _Attaching_ a Spatial to the rootNode (or its child nodes) adds it to the scene; 
@@ -113,7 +113,7 @@ The scene graph only manages the parent-child relationship of spatials. The actu
 == Spatials: Node vs Geometry
 
 A Spatial can be transformed (in other words, it has a location, a rotation, and a scale). A Spatial can be loaded and saved as a .3jo file. There are two types of Spatials, _Nodes_ and _Geometries_:
-[cols="3", options="header"]
+[cols="10,45,45", options="header"]
 |===
 
 <a|  
@@ -149,7 +149,7 @@ a| The rootNode, the guiNode, an audioNode, a custom grouping node for a vehicle
 
 Before you start creating your game, you should plan your scene graph: Which Nodes and Geometries will you need? Complete the <<jme3/beginner#,Beginner tutorials>> to learn how to load and create Spatials, how to lay out a scene by attaching, detaching, and transforming Spatials, and how to add interaction and effects to a game.
 
-The <<jme3#,intermediate and advanced documentation>> gives you more details on how to put all the parts together to create an awesome 3D game in Java!
+The <<jme3#documentation-for-intermediate-users#,intermediate and advanced documentation>> gives you more details on how to put all the parts together to create an awesome 3D game in Java!
 
 
 == See also