Msg#: 3858100 posted 2:33 am on Mar 1, 2009 (gmt 0)
You will need to setup two rules for this to work. You will need a Redirect rule or RedirectPermanent and you will need a DirectoryIndex rule to set the gallery.swf file as an index. Consult the apache docs for the syntax on these
Search for tutorials on url canonization for more details.