I've created a new Tumblr based blog in which I post art related to YA books. I've mainly posted my own fanart and covers I've created over the past few years, so far.
The link: http://artofya.tumblr.com/
I'll also post art I've made for original stories/books. And I will be critiqueing real YA covers, and also posting fanart I've found and really liked. Some art you will see on my blog: