"powered by blogger" usually on the footer blog. If you want to remove :powered by blogger" on the blog. Follow this step.
1. login blogger.
2. chooseTemplate > Edit HTML
3. find code ]]></b:skin>
4. place the following code above ]]></b:skin>
#Attribution1 {5. save template
height:0px;
visibility:hidden;
display:none;
}
The above code does not delete the "powered by blogger" in the template, but hide it. so that the view "powered by blogger" will not be visible.