I've had a hard time changing the lightsource.
sources :
George Arnald - the destruction of l'Orient
the war of the worlds

Everyone remembers the old legend of the sirens... beautiful women, who's songs lured sailors to their deaths, when their ships crashed along the rocky shores of the siren's caves. Now we know what happened to the sirens! Their song also lured aliens, who abducted them, and used their songs to power nursery feeders.

Please view full and the SOURCES

As Helen and Fern walked along the cliffs of Calamoth they found what appeared to be a dead creature.

The Extra-terrestrial temptation of St Anthony.

Please view original Temptation of St Anthony painted by Salvador Dali and Alien source

This one was quite a challenge for me. Hope you like it.

The (True) Fall of Pompeii

I'm sure I'm not the only one who thought of this :D

original

Original painting here. A lot of fun creating this one! :D Great to try create a new scene from the emotions already portrayed in a painting. ;) Viewing full would be appreciated :)

CHECK THIS

Sources