$.fn.qtip.styles.mystyle = {
   width: 200,
   background: '#ffffff',
   color: '#5B5B5B',
   textAlign: 'center',
   tip: 'bottomLeft',
   name: 'light'
}

$(document).ready(function() {

  $('img[title]').qtip({
    position: { corner: { target: 'topRight', tooltip: 'bottomLeft' }},
    style: { name: 'mystyle'}
  })

})