[Plugin: YSlider] Images wont fully load

How come images wont fully load on the preview?

http://awesomescreenshot.com/0b13xa291 – the screenshot is only available for 3 days. Let me know if it isnt working anymore. Thanks.

http://wordpress.org/extend/plugins/yslider/