Der Raspbian-Desktop LXDE im Detail
kopieren Sie einfach das .desktop-File in das Verzeichnis .local/share/applications im Home-Verzeichnis
http://www.raspberry-pi-geek.de/Magazin/2014/02/Der-Raspbian-Desktop-LXDE-im-Detail/(offset)/4

see 
   Desktop Shortcuts
http://www.raspberry-projects.com/pi/pi-operating-systems/raspbian/gui/desktop-shortcuts

   LXDE/Openbox keyboard shortcuts cheat sheet
https://daveden.wordpress.com/2012/09/21/lubuntu-keyboard-shortcuts-cheat-sheet/

   How to Customize the LXDE Desktop
   LXDE Panel Configuration
http://www.linuceum.com/Distros/osDesktopConfigLXDE.php