I had deleted all my posts thinking they had perhaps breached the EULA by giving descriptions of the game. However, Blizzard had posted on their forums:
We’re pleased to announce that we have decided to lift the confidential nature of the StarCraft: II Beta Test. This means that beta testers are free to show and discuss the game with your friends, as well as take screenshots, record gameplay videos, etc. So feel free to share that amazing game you just played. Enjoy!
So, I've cleaned up all my posts, and posted pictures.
Videos start on Page 2, about halfway down.
This is Battle.net 2.0
This is looking for game:
Some hot Terran on Zerg Action
Protoss Nexus Using Chrono Boost to speed up production of Carriers. You can also use Chrono Boost on your Forge or Cybernetics Core, or whatever, to speed up upgrade progress.
Mothership Escorted by Carriers. Notice not only are units around the Mothership cloaked, but also buildings: