GE overlaynot certain of position. first stab. at an overlay
<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="https://www.opengis.net/kml/2.2" xmlns:gx="https://www.google.com/kml/ext/2.2" xmlns:kml="https://www.opengis.net/kml/2.2" xmlns:atom="https://www.w3.org/2005/Atom">
<GroundOverlay>
<name>swale</name>
<color>57ffffff</color>
<Icon>
<href>https://i.imgur.com/H4Bk950.jpg</href>
<viewBoundScale>0.75</viewBoundScale>
</Icon>
<LatLonBox>
<north>-21.10027686827977</north>
<south>-21.10722939663469</south>
<east>118.2652857219784</east>
<west>118.256741987101</west>
</LatLonBox>
</GroundOverlay>
</kml>
redline on bottom left is approx 300m