I found voting very difficult. My first choice was an obvious one to me, partly because I like black and white, partly because the composition on lighting were spot on, and partly because it's the sort of subject and treatment that I could never manage. After that, it was almost pot luck. I don't like voting based on difficulty rather than artistic merit, and I had difficulty deciding. Rosalie wasn't in my top three but could easily have been.
On another forum, the scoring is done by poll, and you're allowed to vote for three entries without giving places. On the whole, I think the method here is preferable, as it's adding weighting.