I personally prefer the sky in the first version. But you did a pretty good job with adding those stone figures in the
clouds. The one that seems farthest away looks fine, it's just the larger one that's nearer. It looks awkward
there; like the style isn't the same or fitting with the rest of the wallpaper. Maybe you should redo that one?
I'm not a big fan of the glowing stones either, it's a bit too much, and there isn't really a reason for
it.
Anyways, as for the nearest stone figure, the only thing that I can say for sure is a bit off is the shadowing you put
there (on the left side). The shading is also different from the original rock that the dude (i don't know his
name) is standing on. The shading on the one you put in the clouds is a bit off compared to the to the stone the dude is
standing on. The you vectored with the scan has sharper edges to the shading, and the one that you added in the second
version has curvy kind of looking shading.
All I'm trying to say is that you should make the shading of the rock/stone figures the same as the one in the scan
that was vectored.
Sorry if I didn't make sense ^_^'