https://www.imgur.com
I'm not too enthusiastic about the choices in GC. I don't trust the privacy and ownership agreement of Google+. I cannot find what Locr is all about? DPHOTO charges $5 per month at the low end and I don't do enough photo sharing to warrant a paid service.
Flickr looks good but is complicated and the help is not so good. Not good at all. I tried to setup a gallery and the links are all broken.
Imgur is simple, intuitive, and free. Most of what I do is share images by linking to them in Imgur. It's so easy for that. LIke this:
