Game music videos, gameplay videos, streams' highlights, streams themselves (I don't save them there mostly, because there's a separate channel for that) and many more.

I got a Twitch.TV channel, where I stream wide wariety of games, or sometimes focusing on certain game, also doing platinum / 100% runs. Also restreaming to RU-vid channel along the way.

Also check out my personal "Twitch.TV VOD Archives" channel where I store all my past broadcasts now (link's also below).