How to change the mouse pointer

The themes of the mouse pointer are contained in /root/.icons/

If you want to install new themes download them from:

http://gnome-look.org/

Look in the section X11 Mouse Themes, download a theme, depackage it and put in /root/.icons. Then open the program

/usr/sbin/pcur

Choose the theme that you have installed and restart jwm from the main menu.