One click install: You don’t need to download a standard jar file to install it in Openfire. All you need to do is login to Openfire server as admin, go to tab “Plugins”, there you will find “Available Plugins” and you can one click to install it without downloading anything.
Installing the downloaded Jar/War file (for example Red5): On the very same “Plugins” tab, below the list which shows installed plugins you can find “Upload Plugin” field with Browse button…
Manual copy: Login to computer (not through the web browser) which has Openfire installed, copy jar/war file to openfire’s plugin directory (on windows - C:\Program Files\Openfire\Plugins, on Linux it is usually - /opt/openfire/plugins).
You need to restart Openfire if you have chosen the last way (manual copy).
Haven’t developed a single plugin for Openfire, but import files are located inside installed Openfire Jar files, most of your mentioned are in “C:\Program Files\Openfire\lib\openfire.jar” (at my Windows machine).
Please note that there was a name change from Wildfire to Openfire, so the import