updated application flow image. Fixes #273 - thanks @InsiteFx
diff --git a/user_guide/overview/appflow.html b/user_guide/overview/appflow.html
index 09c13f9..eeef547 100644
--- a/user_guide/overview/appflow.html
+++ b/user_guide/overview/appflow.html
@@ -60,7 +60,7 @@
<p>The following graphic illustrates how data flows throughout the system:</p>
-<div><img src="../images/appflowchart.gif" width="697" height="205" border="0" alt="CodeIgniter application flow" /></div>
+<div><img src="../images/appflowchart.gif" width="769" height="212" alt="CodeIgniter application flow"></div>
<ol>