Template Generator

Eris' Template Generator
was a site that give a free providing standards-compliant templates to the blogging community since October 2003, we can get all setting direct from they site & make you're blog more free for changing all columns, with 2/3 columns, skin your site, etc. so if u not feel like to change a template alone i thing's this site a good choice.

or use another templates that free nice too like :

http://blogger-templates.blogspot.com/
http://www.bloggertemplates.org/
http://blogspottemplates.blogspot.com/
http://freetemplates.blogspot.com/
http://blogger-templates.deceblog.net/
http://www.blogcrowds.com/resources/blogger_template.php
http://www.finalsense.com/services/blog_templates/
http://blogtemplates.noipo.org/

source : www.google.com