Use this URL to reset the Editor to your settings:

http://highslide.com/editor/?config=%7B%22enableGallery%22%3A+true,+%22userdir%22%3A+%22912696583d50e8898e490c4755b7d3b9%22,+%22htmlPrevious%22%3A+true,+%22htmlNext%22%3A+true,+%22htmlResize%22%3A+false%7D