I couldn't find it, either, but here is something I found in the galleries this morning - she posted pictures of the construction of a tiger cake she did! You could easily adapt this one. I do remember seeing a tutorial of a dog cake on youtube, but I don't know the person who did it.
http://www.cakecentral.com/modules.php?name=gallery&file=displayimage&pid=1550900
Is this the puppy you were looking for:
http://www.cakecentral.com/cake-decorating-ftopict-365353.html
Confetti Cakes Sculpted Dog video:
http://www.youtube.com/watch?v=wOyibd6tDvo&feature=related
HTH
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