It's not possible by a setting. You will need to edit the code after downloading the source files and recompile the skin file to add stop button like the screenshot.
Do you see this line in the code above?
<left relativeTo="Panel.Left" offset="-100" />
That means the skin author hid the stop button by placing it off the screen. You will need to change the offset value to "120" or something to show it.
So first download the source files from the first post.
Open skin.xml file with text editor and edit the line that was just mentioned and save it.
Run SkinCreator tool and adjust the button's location further and then save it as your own skin file.