The simple fact that the "winners" appeared on the later pages shows the flaw in the design.
Standard human behavior is to go "ooh, I like this one, and this one, and this one... *flips page* Oooh! This one is cute, this one is cute..."
The simple fact that you *could* vote more than once, just in itself, shows the flawed nature of the system. Which is my biggest problem with it. And think they should learn from it next time. The forum software they're using doesn't prohibit them from using polls, they just chose not to for some reason.
See:
The mere fact that they had to clarify the rules at ALL shows that they weren't as clear as they should've been.
You know why? Because the rule about likes was thrown into the damn description of how the Scarf of Wonders contest would work. They just threw it at the end of that description. The added clarification they put to the rule set should have been there day 1