+<para>
+When a new image is selected the values from a <ulink url="http://en.wikipedia.org/wiki/World_file">World File</ulink> will automatically be tried to be found.
+(subject to the setting in <xref linkend="prefs_external"/>)
+</para>
+<note>
+<para>
+&appname; does not currently support skew values and since World Files do not contain what coordinate system the coordinate values are in - &appname; assumes they are in UTM.
+</para>
+</note>
+<para>
+If you do not know the scale of the map but know the coordinates of both upper left and lower right coordinates,
+ you can enter these coordinates (Lat/Lon only) and then use the <guibutton>Calculate MPP values from coordinates</guibutton> button.
+</para>
+<para>
+The map once loaded can be repositioned via <xref linkend="georef_tools"/>, which may be easier than trying to edit the raw property values.
+</para>
+
+<section><title>Layer Properties</title>
+<para>
+Configurable properties:
+</para>
+<itemizedlist>
+<listitem>
+ <para>The map image file.</para>
+</listitem>
+<listitem>
+ <para>X + Y Scales in metres per pixel.</para>
+</listitem>
+<listitem>
+ <para>Coordinates of the upper left corner of the map (either UTM or Lat/Lon value).</para>
+</listitem>
+<listitem>
+ <para>Alpha. Control the Alpha value for transparency effects using a value between 0 and 255 with the default being 255 for a fully solid image, whereas 0 is transparent.</para>
+</listitem>
+</itemizedlist>
+</section><!-- Prop END -->
+