Landscape on Blender

This is one render of a scenario for a little animation who i need to do ever 6 months for college. its a featured opening for my game, but isnt ready yet. Textures need be changed on landscape end the HDR is in low resolution yet because is a low quality render.

Need Critiques

Modeled on Blender.
Textured on Photoshop.
Render on YafaRay.
Used a HDR for ilumination.

See the second and compare