Previously, previously, previously, previously.
Some judicious GRIS usage reveals a source: http://www.flickr.com/photos/85296523@N00/2377922433/in/pool-859517@N23/
Ah, you beat me to it. I used Tineye to find this blog, which linked to the artist's site.
I like tineye, but Google just has a larger image collection to shift through, so it's become my default reverse-image-search source.
You will be happy to note that the random string of digits you made up for the jpg filename in the comments of that "Curse of tumblr" page has as it's only google hit, that page. You are the only person on the internet who ever said 5234534987695. Until now.