The Mailboxes

Hey guys, I did a small project (diorama), wanted to put it into practice and improve on my texturing skills and basically how to get accurate sunlight in a scene. Got inspired from a simple image from google search and tried to draw it in 3D something similar to it. Cheers
Inspiration:
https://www.google.co.in/search?hl=en-IN&tbs=simg:CAQS9gEJ5myMg8m1qnIa6gELELCMpwgaOgo4CAQSFJkXmTeZP-Ansj3DPose6hmwE6QqGhpQLy57jnpc9Dg58Eo9IiE4v-W_1uhTgWq9t1CAFMAQMCxCOrv4IGgoKCAgBEgTyqy3kDAsQne3BCRqKAQocCglncmFzc2xhbmTapYj2AwsKCS9tLzAxYzdjcQoWCgRydXN02qWI9gMKCggvbS8wNmxtbAodCgpsZXR0ZXIgYm942qWI9gMLCgkvbS8wM2I2cHIKGwoIcG9zdCBib3japYj2AwsKCS9tLzA0dzY3XwoWCgR0cmVl2qWI9gMKCggvbS8wN2o3cgw&q=cowboy&tbm=isch&sa=X&ved=2ahUKEwjc65at2K3vAhVB7XMBHU3rBTsQwg4oAHoECBAQMA&biw=2133&bih=1052&dpr=0.9#imgrc=6QvAiN76x1cxLM