ITL, you've spotted the only two improvements that the skin could use as far as I'm concerned. First, as you pointed out, the location of the left and right arrows is not ideal because the windows that appear obscure them and they become useless. Second, the buttons at the bottom corners should be a little bigger. I know you were trying to save real estate, but I do find myself fumbling around with them at the current size. I would definitely like to see those changes.
By the way, I assume the "3" button is supposed to toggle between 2d and 3d view. Is that correct? For some reason I get no response of any sort when I tap it.