[jill.gif] Fanart of Jill from Va-11 Hall-A by Einsbern. (Tumblr) (Twitter).
[shimmer.gif] An animation by a mysterious Deviantart user 'Aim4Beauty', who seems to have disappeared off the face of the Internet.
[lightpollution.gif] An excerpt of a promotional video for SKYGLOW, an astrophotography video series created by Gavin Heffernan and Harun Mehmedinovic which focuses on light pollution and its psychological impact.
[rain.jpg] Robert Kuang is Chinese artist who goes by name "SeerLight" (Deviantart).