Did you know you can link Google video at a specific timecode?
Just add a hash (# like you would an anchor tag) then the timecode after the numeric identifier like so:
And if you havn't seen this vid, The Sultans Elephant, well, you should. Here I've gone directly into it at 00m56s. Piece of cake.
The same principle doesn't seem to work with embedding though, which is a shame.