There are many website which offer free domain names for some time.You can register and try them
http://www.co.cc/

you can register 3 domains as a free member and 100 domains if you pay them a fee of about $10
http://www.eu.tv/

This is a new domain and you can register 3 domains for free and then you must pay.
http://www.co.tv/
you can register 3 domains for free and pay from your 4th domain

There are many others
http://freedomain.co.nr/
http://smartdots.com/
http://www.cydots.com/

How To Setup CO.CC domain For ur blog

1. Open your browser to co.cc
2. Then regiter a domain that you want to use.
3. If it's no available you have to find another domain name. But if it's available then you can register it.
4. The you have to setup your domain. Got to "setup-->Manage domain"
5. Choose "Zone Records"
6. In the coloumn "Host" fill it with your domain name (www.yourdomainname.co.cc")
7. Choose "CNAME" for "Type"
8. In the "Value" box fill it with "ghs.google.com"
9. Then click "Setup" Button.


The next step is make some setup in blogspot.

1. Login to Bloggr/blogspot then choose "Setting-->Publishing"
2. Then choose "Switch to: • Custom Domain
3. Then click on "Already own a domain? Switch to advanced settings"
4. Fill it with your new domain in the "Your Domain" coloumn.



5. To Finish click "Save Setting" Button.

It will take 1-48 hours for your new domain to work. So be patient....


How To get free CO.CC Domain

Setup Co.cc Domain For Blog