Quibids recently started big daily promotions on Facebook. The Quibids contests just started January 10th, 2011. The promotion is called, "Daily 50 Free Bid Giveaway." Every day the Quibids Facebook page has a contest where fans of their page have an opportunity to win 50 free bids (a $30 value). Everyday Quibids posts a question and if you answer it right, or the most correct answer you get 50 free bids. However, keep in mind these contests are very competitive just as the Quibids site is competitive. Thus far I have seen anywhere from 200-500 participants.
Below are some example contests that Quibids has held on their Faceebook Fan Page: