Enable Compositing on LXDE/XFCE HD
Many apps require compositing for proper working. eg. Docky. On the other hand on DEs like LXDE, compositing is not available by default. For installing xcompmgr: sudo apt-get install xcompmgr Autostart directory: /home/[yourusername]/.config/autostart xcompmgr.desktop file contents: [Desktop Entry] Type=xcompmgr Exec=xcompmgr -n Command to run xcompmgr in current session: xcompmgr -n &