Games of Thrones character Ygritte is featured in this fantastic piece of fan art by CGHUB artist jigokuen, who says he's a fan of the books. As you can see the illustration comes with the following quote, "You know nothing, Jon Snow."
Regardless of how much the series seems to be straying for the books, I've still been enjoying the series. Like The Walking Dead, when you start changing up aspects of the story you never know what's going to happen.