Try putting inspirational messages on clipboards and hanging them on the wall. 29 Impossibly Creative Ways To Completely Transform Your Walls:
ALEX Bureau - wit - IKEA I like the way this home office is organized and decorated: clipboards on the wall are functional and convenient for the most important projects to stay always before the eyes.
Office Space / Black, white & wood: My workplace # 2
home office Mint+White+Grey Scandinavian Workplace