Maybe this one?
[ame=http://www.youtube.com/watch?v=19YXU8QQXhA]Click, Clack, Moo - in ASL - YouTube[/ame]
Also, there are Signing Time videos on YouTube (like this snippet of a song about a farm: Signing Time! "Leah's Farm" - YouTube). The signs are ASL, but the word order (almost always) is not (it's typically either PSE or the key signs for the episode in question).
Must look for more true ASL stories... *goes off in search of some.*
