Bing Rewards: 250 Credits for Sign Up

You can get 250 free points when you sign up for Bing Rewards from now until December 31.
Here’s How:
:: Go to Bing Rewards to download the Bing Toolbar. The only requirement is you must be in Internet Explorer to do this.
:: Create an account or sign in with your Windows Live Account.
:: Earn 250 bonus points for completing these items!

When you join the Bing Rewards Preview, you’ll get opportunities to earn credits redeemable for rewards. Rewards offers may include earning credits for searching on Bing, setting your Home page to Bing, or trying out new Bing features.

With 400 points, you can cash in for 75 American Airline Miles, download ring tones, or donate to select charities.