Giveaway Scout

From the website:
Giveaway Scout is a giveaway search engine.  Users subscribe to receive updates on the latest giveaways on the web.


You can also add your blog and your giveaways will be exposed to our large network or users.

• We publish your giveaways on multiple channels (Our web, newsletter, Twitter, Facebook and widget network)
• Get more exposure to your blog and giveaways.
• 100% Free of charge

To submit your blog all you have to do is post a few lines about Giveaway Scout.  You may also add their widget to your sidebar.  Then fill out the form about your blog and the URL of where you made the post about Giveaway Scout

I'm going to give it a try, why don't you?