You need to download the OE1.6 or OE2.0 JAM ipk file, upload it with FTP into your box in /tmp and then install the ipk with the opkg install command. Then reboot the box and you will have it on the Plugin section.

Admin

P.S : Check this,

http://www.ourdreambox.com/ubbthreads.php?ubb=showflat&Number=1377#Post1377
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