How can I effectively popularize a game livestream?

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I livestream a game called League of Legends and am trying to popularize it. Does anyone have experience and know how I can go around making it more known and get more viewers etc.? I have a facebook fan page and a twitter to let people know when I'm online already but could use a bit more help. And of course if anyone's interested, this is the page for it: http://www.own3d.tv/CurseTV/live/340210