I encountered some problems when I press the "FSL" icon on the FSL interface to get the help information, usually printed in webpage.
My FSL was installed on MAC Lion.
dyld: Symbol not found: _iconv
Referenced from: /usr/lib/libcups.2.dylib
Expected in: /usr/local/fsl/extras/lib/libiconv.2.dylib
in /usr/lib/libcups.2.dylib