Hi and thanks for the blazing fast reply!
Yes I had a doubt about who exactly could be the "culprit" of the "strips". To be sure, I submitted this finding both here and in the X-Plane bug tracker.
With respect to the other picture, OK, I'll be waiting for an overall tuning of the sim and SMP4. Hope things will get better, of course it's not a show stopper actually, but it's sort of annoying to me, it hurts realism quite a bit.
Keep up the good work!