gistfile1.js

var addthis_config = {
    "data_track_clickback":true,
    "ui_cobrand":'yfrog',
    services_exclude: 'print'
};
var addthis_share = {
    templates: { twitter: 'yfrog Photo : http://yfrog.com/h07cwtwj Shared by @meilinglam via @yfrog' },
    url: 'http://yfrog.com/h07cwtwj',
    title: 'yfrog Photo : http://yfrog.com/h07cwtwj Shared by @meilinglam via @yfrog',
    email_vars: { server: 612, filename: '7cwtw.jpg' }
};
<script type="text/javascript" src="http://s7.addthis.com/js/250/addthis_widget.js#username=yfrog"></script>