I made some very spectacular pictures with the help of PhotoSpiralysis. (http://photospiralysis.com) This online software makes the so-called Droste-effect, based upon self-similar fractal spirals. Very easy to handle, you need only some photos to spiralize, then try to change parameters.
These pictures were made of my original painting, that was already filtered in DeepDream.
Made of Mandelbulb 3D fractals:
This spiral was made of my photo:
#trippythursday by 
@blacklux
See more daily contests and challenges here: https://steemit.com/steemitchallenges/@kalemandra/daily-steemit-challenges-and-contests-refreshed-with-some-changes