Inject texture replacers in DEFAULT Skyrim .bsa (overwriting) and repack with less or nothing compression is better than in folders and give more space
Only if you're on a very large spinner.
Quite frankly, if you don't have a machine with an SSD, you probably don't have the GPU to run skyrim on ultra with higher res textures. If you do, you should have an SSD

So any comments on the new test screens are welcome ^^

#1. The moss near the ground needs to be a little less ... viridian, imo. That is some bright green for something that close to the ground, presumably getting splattered with soil every time it rains.
#2. The rock on the left is a lot brighter in the after. Is that your screen calibration again? If no, then as much as I like it looking like a rock instead of a dark blob, i would say its too bright.
#3. That grass ground texture is :awes:

#4. Left rock is lighter again. Also I notice you've overall decreased the number of deep cracks in rocks and rock faces. I'm not sold on that bit. The normal and specular on the beth texture makes me wanna claw my eyes out, but its geomorphologically more interesting. Otherwise pretty damn sweet

#5. Damn that an impressive texture. However I think you left the beth ideal way behind here. They have a sort of freshly turned field soil look (in a sort of impressionst im-just-going-to-hint-at-it blocky-ass way) with a few rocks and some small sticks in it, whereas yours looks more like packed dry dirt. Possibly that's because it looks slightly shiny?
#6. Nothing to say here bar a 'very nice'. It makes the vanilla, untweaked grass look even more flat and poster-like, though. Yes, I'm nitpicking ^.^