Real spooklights:

http://skeptoid.com/episodes/4270 - The Hessdalen Lights

http://skeptoid.com/episodes/4133 - The Min Min Lights

http://skeptoid.com/episodes/4226 - The Brown Mountain Lights

Searching for unreal spooklights:

http://kazil.home.xs4all.nl/spooklight.html - Rural spooklights at the Lüneburger Heide

http://www.flickr.com/photos/uair01/5440760741/ - Urban spooklights in Rotterdam

http://www.flickr.com/photos/uair01/sets/72157606722963183/with/2762615076/ - Urban spooklights in Rotterdam

Of course we could try to make an even more spectacular, mysterious or haunting spooklight ourselves.