I agree with the previous message, also:
This was really good, as a starcraft fan, i am impressed, you may want to touch up the hydralisk movement, make sure we can see the cool jaw that hangs out, and some spots to show the carapace, and maybe give him a trail of blood (Hyrdralisks love killing pathetic humans). if you do that, maybe you should ask Blizzard about an opening, and if that doesn't work out, make some Flash movies!