A sample from the system log entries generated by the Fliqlo (1.3.3) screensaver in Snow Leopard (10.6.8) … the screensaver does not activate when selected in the Preference Panel, however it does appear to display correctly in the “Options…” window.

system.log

11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getMonitorNumber?returnVarName1=NUMVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getComputerName?returnVarName1=STRVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getPlayMode?returnVarName1=NUMVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getUserGUID?returnVarName1=STRVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getSecurityMode?returnVarName1=NUMVAL
11-10-17 10:56:05 AM	System Preferences[1510]	MISSING Implementation for >getSecurityMode?returnVarName1=NUMVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getUserName?returnVarName1=STRVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=1&returnVarName1=STRVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getPlayMode?returnVarName1=NUMVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=2&returnVarName1=STRVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=3&returnVarName1=STRVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=4&returnVarName1=STRVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=4&returnVarName1=STRVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=5&returnVarName1=STRVAL
11-10-17 10:56:05 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=5&returnVarName1=STRVAL
11-10-17 10:56:06 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=6&returnVarName1=STRVAL
11-10-17 10:56:06 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=7&returnVarName1=STRVAL
11-10-17 10:56:07 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=8&returnVarName1=STRVAL
11-10-17 10:56:07 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=9&returnVarName1=STRVAL
11-10-17 10:56:08 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=9&returnVarName1=STRVAL
11-10-17 10:56:08 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=10&returnVarName1=STRVAL
11-10-17 10:56:09 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=10&returnVarName1=STRVAL
11-10-17 10:56:09 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=10&returnVarName1=STRVAL
11-10-17 10:56:10 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=10&returnVarName1=STRVAL
11-10-17 10:56:10 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=12&returnVarName1=STRVAL
11-10-17 10:56:11 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=12&returnVarName1=STRVAL
11-10-17 10:56:11 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=13&returnVarName1=STRVAL
11-10-17 10:56:12 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=17&returnVarName1=STRVAL
11-10-17 10:56:12 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=18&returnVarName1=STRVAL
11-10-17 10:56:13 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=19&returnVarName1=STRVAL
11-10-17 10:56:13 AM	System Preferences[1510]	URLString ST://ST_STF.getSpecialFolder?folderCode=21&returnVarName1=STRVAL