The first one has a great idea but results in some spam of trees , just reduce the trees and add some props on the cliffs.
Second One , I like it because its realistic , but it has no highlights (example , add some giants or medieval buildings , moons , lightings , roaring wolfs)
Now , the third one has a good effort on that wolf , i like it , but nah , i dont like the design of the moon. and do tint those light objects *bridge *fantasy house,
Overall 1.5/3 , its good but avoid spamming *Dont do what im doing because i really love spamming mostly the grass.
You should learn how to do lightings and glows.