Thats the same site, seventeenlive has some multiple websites only with another name and layout. For example the sites cheapwebcamporn.com or topcams.nl are equal to seventeenlive.
And like so much of the seventeenlive-girls she worked before on the czech site sexykocky.cz (sexy kittens), but with the name Ester.
Here are some pics: http://www.sexykocky.cz/index.php?locales=2&id_page=1633&id_previous_page=1632&nocache=1343240951.2923&inq=a3592e71820fd0b54c24c9c00e67ae75&id_girl=1045&checksum=78d625b10375e4f6483ec363cd4bc14f
And if you search more, you can find her also on this czech site: http://nahyprachy.cz/Detail.aspx?id=051