What is a good editor for a blogspot blog?

I have a blog and i want to change the look (outside of the tempaltes provided). I know there are things like myspace editors, but is there one for blogs?

http://www.bytescout.com/post2blog.html

there are free blog editors; one of the best is windows live writer

http://windowslivewriter.spaces.live.com/

also try post2blog

http://www.bytescout.com/post2blog.html