To vote more than once:

Using Firefox:
Go to tools, options.


Then select the privacy tab then click, "show cookies"



Select the one that says chunky.com, then click "remove cookie"




If you are using Internet Explorer:

Go to tools, internet options.



Then under the browsing history portion, click "settings"



Then click "view files"



Then scroll to the bottom and find the cookie file with "www.chunky.com" in it. Delete that file.