Use this URL to reset the Editor to your settings:

http://highslide.com/editor/?config=%7B%22preset%22%3A+%22no-border%22,+%22contentBorderWidth%22%3A+0,+%22outlineWidth%22%3A+0,+%22outlineCornerRadius%22%3A+0,+%22dropShadowSize%22%3A+5,+%22captionStyles%22%3A+%22%5Ctbackground-color%3A+%23DDDDDD;%5Ctpadding%3A+5px;%5Ctborder-width%3A+1px;%5Ctborder-right-width%3A+0px;%5Ctborder-bottom-width%3A+1px;%5Ctborder-left-width%3A+0px;%5Ctborder-color%3A+%23FFFFFF;+border-style%3A+solid;%22,+%22useCloseButton%22%3A+true,+%22showCredits%22%3A+false%7D