how to redistribute my plugin, prepared using QtBrowserPlugin?

Hello,

I've created Windows FireFox plugin using QtBrowserPlugin framework.
To enable this plugin on the client computer I need to put plugin dll,
several Qt dlls to the plugins folder of FireFox.
How to automate this process using standard FireFox method?
Is it possible somehow tune it, so that FireFox would download and
install plugint itself?

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Thank you!