This is how to install .ipk plugins to tm800hd
FTP file or files to your receivers /tmp folder
open a telnet window and connect to your receiver.
once connected You should see TM800@/#
ipkg install tmp/****.ipk
where **** is replaced with the name of the file you wish to install
press enter, you will get an 'installing **** to root' and a 'configuring' message, wait for the TM800@/# to return
now on your receiver, press the blue button on the remote, now the yellow button for plugins, this will open the plugin list,
now the green button to download plugins, wait for the download list to appear, and press exit,
and your newly installed plugin will appear in the list.
any installed plugins can be removed from this list by pressing red while in the plugin list, and selecting it from extensions