So I Know Some HTML To Understand This, But If You Don't Understand I Can Explain Sone Of It:

You See How It Says "Close"? But When You Click It, It Takes You Back To The Home Page. How Does It Do It? Simple.
The Link That It Uses Is "/./"
And The Code?
[ a=/./ ][ image ] http://3dspaint.com/images/upload_gallery/16291.jpg [ /image ] [ /a ]

/. Will Go Back 1 Layer, So We Use /./ To Go Back 2 /././ For 3 And So On