Great start! The large trees in the foreground have good bark texture, but the one on the left is too smooth. The tree to the right has a lot of floating leaves- this can be fixed post. Last, the castle is a great start (looks like it is all primitives- I would recommend some windows and those bumpy things on castle walls (tech term!) Maybe use either Boolean or alpha map and just work on the distance blur as you go. This is a great start, even a pretty good finish even so applaud you wanting to get it just right. Andrew