title: set UIImage on Detected Face using XHFaceMaskSDKSimple ,No able to add Images other then static added in demo
body: <p>I am using this <a href="https://github.com/Vanson/XHFaceMaskSDKSimple" rel="nofollow">demo</a>.</p>
  
  <p>To put UIImage on recognized face where in this demo there is 3 static available images: <strong>(hat,mustache,goggles)</strong></p>
  
  <p>But I want to add my own images instead of mustache and other 2 like if i add phantom then it should show on face but i am not able to do it,i have checked throughout all files but i am not able to found it.</p>
  
  <p>How  can I do it?</p>