Mozilla Update :: Extensions -- More Info: Magpie: "Magpie - Firefox Extension
Magpie 3.1.2, by Ben Goodger, released on September 12, 2004
Magpie is a set of tools that makes saving media from web pages easier - you can save all media of a specific type linked from a web page, save all tabs following the current tab, etc to time stamped folders. Magpie also includes basic Bukster protocol"
Will it work for you?