There is a new contest at the CopuWorld blog that will allow you to win a 125x125 Ad spot. Even if you do not win it, you still gain. The host will post a link back to your blog, which will increase your technorati ranking and your Google Page Rank. It is ranked as 99,303th blog on the internet, so getting a link back will help you a lot.
All you have to do is to subscribe to the RSS feed, leave a comment and write a 250 word review. For more details, visit the contest announcement.