Looks really good! Which type of anti aliasing do you use / do you use "power of two" textures? (or are the jittering edges due to the camera/recording?) :)

Cool stuff :D I have some tips to improve the scene: -add more contrast (other textures or as a post process volume effect) -find a good colour tone for your trees (e.g at the moment some trees look like

For the first level it looks good. :) I would recommend you to: -decrease the fog a little bit -place the foliage a little bit more realistic (e.g there are smaller and fewer plants under a tree, no grass