f you are creating a sub domain for your blog you have obviously already
gone through the process of connecting a domain to blogger.Connecting
your sub domain is the very same.
You create your new blog, pick a name, choose the blogspot URL - you
will be changing this to your sub domain so its not important.
Once your new blog is set up go to Settings > Publishing > Switch
To Advanced Settings > Enter the Sub domain you created into the area
provided > Scroll to the bottom of the page and save.
As with your original domain your blogger sub domain may take a little
time to connect although usually it connects within a few hours.
I hope you can follow the steps and take advantage of Sub Domains,
remember if you do not renew a domain or let a domain expire you will
loose the domain and all associated sub domains.
