I’m starting what will probably be a big project if I don’t lose interest. It’s a picture of king Arthur pulling the sword out of the stone. Here’s what I have so far.
the tree bark looks really good, but the rock material could use more overall roughness.
Thanks, but the rock is supposed to be a diamondish material, and I don’t like it as well with more displacement. I’ll definitely use more on the normal rocks.
I like where this scene is heading.
Since it is in WIP stage I’m going to assume once you get King Arthur in there the camera angle will be more focused on the sword and the character?
I also agree with Modron with the rock textures. I can tell it’s a rock by shape but the surface kinda looks like a smooth blanket on it with wrinkles in my opinion, especially where the light is most intense but that’s just me. That is the only thing I can really think of.
I like the leaves and branches, you did a great job with that. I can tell it’s a willow tree, I assume that is what you where aiming for?
I see what you mean now about the rock. I’ll play with the materials and see what I get. I actually just used the tree addon for the trees (for the big one I converted to mesh and sculpted the roots). Here’s the full render with a bit more work on the glare nodes. They could still use some tweaking, but I have to move on.
It might help to take a look at some reference for the stone. Here’s one I just did for “rough diamond”.
Thanks. Something like that should work.
Here is what have so far. I know that the material on the ferns is terrible, and the dandilions are out of scale, but any other suggestions would be helpful.
It looks a bit like snow on the rock, don’t You think so?
I don’t think it looks like snow, but it does look too bright. I’ll try to fix that, although the character might cast a shadow there anyway.
Please replace the glass whatever look, with a real stone look, like granite… It would look sooooooooooo nice! 
I originally thought I would make the rock diamond, but it does look weird. I’ll try granite, and see what I think then.
How do I change the thread icon?