Make the boards longer and run parallel. The boards that run vertical are very distracting and really breakup the tile effect. Work a bit on the highlights and shadows and you'll be golden!
Motennai, there are many variations of brick bonds. What your are showing is a running bond, what nordahl154 is showing is a stack bond. The strength of a brick wall to resist lateral and torsional forces comes from steel reinforcement and the mortar. Running bond probably is more stable for bricks, but for CMU blocks, it…