I noticed a minor error
when you go to delete the search log and do not select any searches to delete however hit the delete button anyway you get this error. The error only happens if you do not check any searches to be deleted.
SQL ERROR [ mysql4 ]
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 2 
DELETE FROM phpbb_search_log WHERE
FILE: (not given by php)
LINE: (not given by php)