1. Localize file "Config.xml" in BodySlide folder.       ( Program Files (x86)\Steam\steamapps\common\Skyrim\Data\CalienteTools\BodySlide\Config.xml)   2. Open Config.xml file in notepad.   3. Find lines:  <SliderMinimum>0</SliderMinimum>                               <SliderMaximum>100</SliderMaximum>   4. Change the range as needed. For example:  <SliderMinimum>-100</SliderMinimum>