Jiao had asked about posting Google Video videos to Blogger Beta.
Well, clicking the "Email - Blog - Post to MySpace" button on the right of the video you want does then offer a "Post to" selection including Blogger:
Jiao could post to Blogger but not Blogger Beta. When I tried it, clicking on the Blogger link gave me an error message (Cannot connect...), whether I tried to login with my Blogger or Beta account - not sure if that's the same problem Jiao encountered:
It could be Blogger or Google Video being temporarily up the spout.
Whatever the cause, I feel the eeasiest solution is to click the Embed HTML link (see the first pic above) to get the code:
Then copy and paste the code into your post (Blogger Beta or anything really) and it should work - see this Blogger Beta example post with video.