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Your cute comment made me want to go and check out your PMD arrangements. ^^ I thought they were great, nice choice of songs, so peaceful. And yes, I am curious as to why this thread is only on its second page.
"Barren Valley" sounds lovely as a piano arrangement; sometimes an arrangement just doesn't come out how you wanted it to but other times it sounds nicer than the original (like this one!). Okay, in no way am I licensed to give correct arranging advice, but I'll just quickly jot down the little things that I noticed along the way. Some of the phrasing marks look a bit funky, such as measures 26-27. I think you can just move that rogue F in m. 28 down to the left hand and that should even the notes out a bit. And I'd probably have a go at fitting it all onto 3 pages, maybe if the whole sheet is re-sized to 90% then it should be easy-peasy. In m. 24, I think you can just have a whole bar rest sit in the left hand.
In "Desperation", there are some huge intervals in the left hand starting from around measure 12. I guess someone could try playing the middle notes with their nose
but an easier way would be to raise the lowest notes up an octave, or add an arpeggiation, or mark the middle notes with a bracket to show that the right hand should play them. And yeah, the con pedale can be a pain, it plays as if the performer read "with pedal" quite literally and never takes his foot off of it, lol.
Similar kind of thing in "It's Can't Be", some large intervals and cross-over of hands that could get a bit confusing. Perhaps have a go at placing the right hand chords starting from m.9 in the left hand instead, maybe that could be more manageable for the performer?
I feel like I've talked way too much, but as a final point just wanted to say thanks for sharing your sheets, I would love to see more new things from you.