Image resize reversal

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

@@ -453,8 +453,8 @@ bulletAppState.getPhysicsSpace().add(geom);
 
 With the corresponding output below:
 
-image:http://i.imgur.com/fAXlF.png[http://i.imgur.com/fAXlF.png,{half-width}]
-image:http://i.imgur.com/Josua.png[http://i.imgur.com/fAXlF.png,{half-width}]
+image:http://i.imgur.com/fAXlF.png[http://i.imgur.com/fAXlF.png,{third-width}]
+image:http://i.imgur.com/Josua.png[http://i.imgur.com/fAXlF.png,{third-width}]
 
 
 === PhysicsSpace Code Samples