firefox file download help apps?

["Lonni J Friedman" <netllama gmail com>]

I've got a bizarre problem with firefox (2.0), where I want to be able
to tell firefox which helper application to spawn when encountering
specific file types.  I can't figure out any way to add new types to
its seemingly hardcoded list.  I could have sworn that there used to
be an extension that provided this functionality, but i can't find it
now either.  Anyone know?

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L. Friedman                                    netllama gmail com
LlamaLand                       http://netllama.linux-sxs.org