Topic name says it; I'm not sure what to put in the "preview link" text box for brstm uploads. Do I use the share url or embed url like below, or do I have to do some special coding? Don't be afraid to get complicated, I can handle it.
Examples:
http://youtu.be/kvqVXFFcQqQ
http://youtube/kvqVXFFcQqQ
<iframe width="420" height="315" src="http://www.youtube.com/embed/kvqVXFFcQqQ" frameborder="0" allowfullscreen></iframe>