Generate elevation profile image visual example

Author: hefniraera

docs/user_manual/processing_algs/qgis/img/elevation_profile_example.png

@@ -226,6 +226,12 @@ Generate elevation profile image
 
 Creates an elevation profile image from a list of map layers and an optional terrain layer.
 
+.. figure:: img/elevation_profile_example.png
+   :align: center
+   :width: 60%
+
+   Example of elevation profile
+
 Parameters
 ..........