Any knowledge of how to work with mouse and icons is not required.
+Installing lopsub
+~~~~~~~~~~~~~~~~~
+ git clone git://git.tuebingen.mpg.de/lopsub
+ cd lopsub && make && sudo make install
+ (see http://people.tuebingen.mpg.de/maan/lopsub/)
+
Installing osl
~~~~~~~~~~~~~~
git clone git://git.tuebingen.mpg.de/osl