I did some greenstuff work on my Banshee last night. Mostly just filled the gap in her wait, and some gaps on her arms. I still have a bit of work to do on the hand holding the knife, and probably will round out the waist in a few places. I also still want to do the magical energy coming off of her outstretched hand.
I'm also thinking about putting her on the base with the two banshees swarming around her, and use them to elevate her a bit, kind of like a mini Nagash. At the moment it looks odd, so I will mess around with it a bit more, maybe heat them up and see if I can bend them more.
I also messed around and came up with a warscroll for her to use in narrative/friendly games. In Matched Play games she will just be a regular Banshee who's my general with the command ability that makes her a wizard. The black box on the warscroll will have a picture of the finished and painted model later on.