The Japanese community have built this photo sharing site, similar to Instagram, but with added benefits of registering your ownership on the blockchain, receiving tips and also the option of charging a fee for a third party to use your content.
Its still a work in progress and expect more improvements to be added soon with translation added for the Japanese comments.
I posted a couple of photos last night and my feed went crazy! :)
Its called Nemgraph, register on http://nemgraph.net.
Could be a very cheap alternative to shutterstock if you want to look for licenced imagery.
I think the RiNG certification is the big thing here where you can easily register your ownership/copyright, something that sometimes puts off people showing their work online.
I expect we will also see a smartphone app becoming available very soon too :)