I'm using tumblr right now for some stuff, although if my gifs don't start appearing in searches soon I'll stop! I'm not sure the multiple-blogs-per-account model that is the basis of tumblr is going to work for me.
Art process blog: https://canary3d.tumblr.com
Stuff-I'm-obsessed-with blog: https://canary3d-obsessed.tumblr.com - currently this is The Untamed gifs.
Also, here's some of my The Untamed gifs.