Blogging Advice Needed

Technorati Tags: blog help

Ok..at the advice of littlemansmom, I checked out wordpress.  Tell me those of you who have used wordpress and blogger, which one you like better??  And why?

I was looking at it..and it doesnt look like you can change things on...like adding photos as your header..or background...etc.  Am I correct??  Or is it just something I'm not seeing?

I have only a week left to get this blog the way I want it before I head back to school...UGHH... 

Any advice?