First sign in your yahoo email account !! its important !
Go here : http://siteexplorer.search.yahoo.com/submit
Youll arrived here
Click submit Your Site For Free
Youll arrived here
Click Submit a Website, fill the blank with your blog url
Youll arrived here make sure you already sign in with your yahoo e-mail account, and then click MY SITES
Youll arrived here
Fill the blank with your blog url once again, and click ADD MY SITE
Now youll see your url is listed in your yahoo,… done?.... NOT YET !!
Click that url (your blog url ) , and youll arrived here
Click “Autentification” Button, and youll arrived here
Go to your HTML editor in your blogger dashboard, and paste the code in “head“section (don’t forget to click expand widget )
Done, after that go back to your yahoo and click “READY TO AUTENTICATED”
NB: sometime the code from yahoo is not match with blogger so you must modified the code (in the end of the code)
from META name="y_key" content="xxxxxxxxxxx">
to META name='y_key' content='xxxxxxxxxxxx'/>
Good Luck, if you see any problem do not hestitate, e-mail me at innervision888@yahoo.com I will try to help