Have you ever thought of Purchasing Custom domain for your Blog. Here is the video to let you know how to purchase it.
What is Custom domain? - Suppose your current domain is like www.mycustomdomain.blogspot.com, after purchasing it can become www.mycustomdomain.com


You can add it to your blog  with just a nominal fee. Remember you have to read the details fully before registering the Domain name. Planet Blogger doesnot force you to buy. we are just suggesting you.