super seeding is available on utorrent..
download on
www.utorrent.com
yah i agree with
twist86 idea, u can ban 24 hour on peer that
almost finish download around 90% something...
or just seeding another torrent...
but anyway please keep your ratio good..

to avoid ip banning
this my suggestion to make your ratio increase faster..
Well, you can disable DHT , peer exchange, so most of your uploaded will be using the tracker..
If there is more than one tracker, u can delete other tracker.. use this
http://tracker.datorrents.com:6969/announce.php --->>>
this is the the datorrents trackers