title: Save image in windows phone 8.1 using FileSavePicker
body: <p>I want to save an image using File Save Picker . I am using <a href="http://msdn.microsoft.com/en-us/library/windows/apps/xaml/jj150592.aspx" rel="nofollow">this</a> link to save but it is only for text , how I modify it to save an image?</p>