Once you've finished making your logo, overlay, or other image that you want to superimpose on your Twitch stream, open Open Broadcaster Software and select the scene you want to add the image to ...

Twitch Studio adds chat overlay and countdown timer tools It'll be easier for people to stream console games too.

Using Lightstream's new experimental integration with the Twitch app on Xbox, players can stream to Twitch directly from their Xbox, stream overlays and all.