Per consensous on Wikimedia Commons please create a new namespace "Institution"
'commonswiki' => array( 100 => 'Creator', 101 => 'Creator_talk', 102 => 'TimedText', # For video subtitles -- BV 2009-11-08 103 => 'TimedText_talk', 104 => 'Sequence', 105 => 'Sequence_talk', 106 => 'Institution', 107 => 'Institution_talk', ),
with "Museum" as alias:
'commonswiki' => array( 'Museum' => 106, 'Museum_talk' => 107, ),
Please run namespaceDupes.php because a lot of Museum: pages were created already: http://commons.wikimedia.org/w/index.php?title=Special%3APrefixIndex&prefix=museum%3A&namespace=0
Version: unspecified
Severity: enhancement
URL: http://commons.wikimedia.org/wiki/Template_talk:Museum#Namespace