Share 'What are the Best Ways you've found to Promote Your Blog?'

We're fairly new to the blogosphere and have been trying different things to help promote our blog. We just posted our first giveaway and have been getting a great response. We set it up so that as more people enter, we add more books to choose from and more winners. Our thinking was that this would reward others for helping to promote the contest. However, we know you guys (new and veteran blog…