Earth's City Lights : http://visibleearth.nasa.gov/view_rec.php?id=1438
Visible Earth / Blue Marble : http://visibleearth.nasa.gov/view_set.php?categoryID=2363
Monthly Blue Marble : http://earthobservatory.nasa.gov/Features/BlueMarble/BlueMarble_monthlies.php
This is a static archival copy of my old wiki.
My current blog is here: https://blog.bjdean.id.au/