--- boost/setup.php~	2010-12-14 08:09:07.000000000 +0200
+++ boost/setup.php	2010-12-14 08:28:03.991535003 +0200
@@ -1960,7 +1960,7 @@
 			"description" => "Specify the location where Boost should place your image files.  These files will be automatically purged by the poller when they expire.",
 			"method" => "textbox",
 			"max_length" => "255",
-			"default" => ""
+			"default" => "/var/cache/cacti/boost"
 		),
 		"boost_process_header" => array(
 			"friendly_name" => "Process Interlocking",