For now there's just a couple pictures to tide you over with!
Here below is a larger version of the Sally Bowles promotional picture.
A couple more pics with Darren from Dancing with the Stars.
And here is a really cool piece of fanart made by Howard Shum. Right away I could tell it was her which makes it even better.
Here's his excerpt "Had it been up to me, I would have chosen Siobhan Dillon to win "How Do You Solve a Problem Like Maria?" but alas, the world has yet to succumb and do as I wish. Oh, well, here's her consolation prize, a drawing by me."