Canesten Extra print ad

Sometimes we see ads with creative ideas but too bad executions are not helping to bring out the idea and communicate the message. "Changing for a new foot". The idea is there, which is quite attention grabbing visually. The computer re-touch can be done better of course but that's minor in a way. The stopping power of the ad relies on the key visual. Why use pale wooden colour which is also the same as the foot ? It can stand out better if a different colour background is used...