We had this question already quite often. Just do a search fo it here in the forum. here are some threads. http://www.renderosity.com/messages.ez?Form.ShowMessage=755342 http://www.renderosity.com/messages.ez?Form.ShowMessage=745302 http://www.renderosity.com/messages.ez?Form.ShowMessage=456686 http://www.renderosity.com/messages.ez?Form.ShowMessage=527567