If we're missing a major stream for a competitive game, post it in this thread.
If a stream isn't showing the game the sidebox listed, let the streamer know!
Currently pinned to the top so people notice it. If you want to keep it, go here and check "Live Streams" under the "Sideboxes" section.
For those that are curious, the same list used by my Stream Notifier userscript has been included, and expanded to include some other popular (competitive gaming) streams.
*edit* Should be available under Preferences now.