Improved the user guide landing page

source/index.rst

@@ -26,8 +26,6 @@ NEMO User Guide
    :glob:
    :titlesonly:
 
-#   unpub/*
-
 .. Only displayed with 'make drafthtml'
 
 .. toctree::
@@ -68,10 +66,21 @@ NEMO User Guide
 
 .. :Release:  |release|
 
+.. figure:: _static/frothyuv.png
+   :width: 220px
+   :align: right
+
+   ..
+
 .. note::
-   Important foreword: this document is a "How to" explaining how to get started with NEMO. For detailed description of NEMO functionalities and how these are build in the code, please refer to the Reference manuals :doc:`here <cite>`
+   These pages are a practical guide explaining how to get started with NEMO and how to
+   utilise some of the more advanced features. For more detailed descriptions of NEMO's
+   scientific and numerical options, and how these are built into the code, please refer to
+   the Reference manuals :doc:`here <cite>`
+
+**This is the User's guide for NEMO version:** |release|. 
 
-This User's guide for NEMO version: |release|. Use the sidebar links for navigation or start :doc:`here <install>`
+Use the sidebar links for navigation or start :doc:`here <install>`
 
 ..    :*Date*: Last updated: |today|