Update effects_overview.adoc

Moved images below header.

src/docs/asciidoc/jme3/advanced/effects_overview.adoc

@@ -110,7 +110,6 @@ image:jme3/advanced/underwater2.jpg[underwater2.jpg,width="150",height="100",ali
 *  link:http://code.google.com/p/jmonkeyengine/source/browse/trunk/engine/src/test/jme3test/water/TestPostWaterLake.java[jme3/src/test/jme3test/water/TestPostWaterLake.java] – WaterFilter
 --
 
-
 == Environment Effects
 
 
@@ -166,14 +165,14 @@ image:jme3/advanced/shadow-sponza-ssao.png[shadow-sponza-ssao.png,width="150",he
 *  link:http://code.google.com/p/jmonkeyengine/source/browse/trunk/engine/src/test/jme3test/light/TestManyLights.java[jme3/src/test/jme3test/light/TestManyLights.java] – .j3o scene
 *  More details: <<jme3/advanced/light_and_shadow#,Light and Shadow>>
 
-[.right]
-image:jme3/advanced/shadow.png[shadow.png,width="150",height="100"] +
-image:jme3/advanced/light-sources.png[light-sources.png,width="150",height="100",align="right"]
-
 
 
 === Shadow
 
+[.right]
+image:jme3/advanced/shadow.png[shadow.png,width="150",height="100"] +
+image:jme3/advanced/light-sources.png[light-sources.png,width="150",height="100",align="right"]
+
 *  link:http://code.google.com/p/jmonkeyengine/source/browse/trunk/engine/src/test/jme3test/light/TestShadow.java[jme3/src/test/jme3test/light/TestShadow.java] – BasicShadowRenderer (SceneProcessor)
 *  link:http://code.google.com/p/jmonkeyengine/source/browse/trunk/engine/src/test/jme3test/light/TestPssmShadow.java[jme3/src/test/jme3test/light/TestPssmShadow.java] – PssmShadowRenderer (SceneProcessor), also known as Parallel-Split Shadow Mapping (PSSM).
 *  link:http://code.google.com/p/jmonkeyengine/source/browse/trunk/engine/src/test/jme3test/post/TestSSAO.java[jme3/src/test/jme3test/post/TestSSAO.java], link:http://code.google.com/p/jmonkeyengine/source/browse/trunk/engine/src/test/jme3test/post/TestSSAO2.java[jme3/src/test/jme3test/post/TestSSAO2.java] – SSAOFilter, also known as Screen-Space Ambient Occlusion shadows (SSOA).