Manual talk:$wgMaxShellMemory

Error creating thumbnail: Invalid thumbnail parameters
This particular code was discussed in detail here: http://www.gossamer-threads.com/lists/wiki/mediawiki/169439 as fixing imagemagick problems. Adamtheclown 22:24, 17 January 2011 (UTC)
 * This line can be added to the end of LocalSettings.php. Adamtheclown 00:31, 21 February 2011 (UTC)