How can I get rid of the Blogger header on top of my Blog? The one with search this blog etc. I can't find the specific part of CSS code on the page.

Does anyone know if it is possible to tag my post-topics so that they would be more easily found in my blog?

You can find my blog over here:http://sampsak.blogspot.com/

Thank you!

I believe that's against Blogger's ToS. If they didn't mind it being removed, then they would've offered the header as an option...

I now find the header to a positive feature as it increases my traffic.

I also found a good blogger hack to categorise my posts by topics. Have a look. (http://sampsak.blogspot.com/2005/11/tips-add-categories-and-clock-to-blog.html)