”..Not surprisingly, listings with better photos command higher asking
prices: If you believe your home is worth the investment of good
photography, you’ll probably ask more money for it. The surprising part
is that the tactic works. At the closing table, listings with nicer
photos gain anywhere between $934 and $116,076–as measured by the 
difference between asking and final price..” 

Original article here. Including a screen shot as sometimes you hit a WSJ paywall.