Set drawContents to "no" on resize, to reduce the use of resize.

debian/changelog

@@ -7,6 +7,7 @@ lubuntu-default-settings (0.30) UNRELEASED; urgency=low
    - Install the lxterminal configuration file. 
   * usr/share/lubuntu/openbox/rc.xml
    - Add shortcuts for windows tiling (SuperKey + the direction).
+   - Set drawContents to "no" on resize, to reduce the use of resize.
 
  -- Julien Lavergne <gilir@freedom>  Mon, 22 Oct 2012 22:26:04 +0200
 

usr/share/lubuntu/openbox/rc.xml

@@ -133,7 +133,7 @@
        desktops.  Set this to 0 to disable the popup. -->
   </desktops>
   <resize>
-    <drawContents>yes</drawContents>
+    <drawContents>no</drawContents>
     <popupShow>Nonpixel</popupShow>
     <!-- 'Always', 'Never', or 'Nonpixel' (xterms and such) -->
     <popupPosition>Center</popupPosition>