Beryl (a linux 3D desktop cube application) does not defaultly start with linux KDE or Gnome. \These are instructions taken from http://wiki.archlinux.org/index.php/Beryl#Method_2_-_Beryl_without_loading_kwin_.28Faster.29 \on how to autostart beryl in KDE.
Beryl is old and is now known as compiz or compiz/fusion
export KDEWM=beryl
[Desktop Entry]
Encoding=UTF-8
Name=Beryl-Manager
Exec=beryl-manager
Icon=
Type=Application
StartupNotify=false
Keywordsberyl-manager beryl autostart beryl KDE linux Desktop effects