Here are [links to] templates used for the earth blogs pages. These templates are HTML encoded, so they should be copied and pasted rather than directly downloaded, since the HTML elements and blogger tags will show up as HTML entities in the HTML source code.
These templates is specific to blogger.com and probably won't work with other blogging services.
These templates are moving towards being XHTML and CSS standards compliant, but probably aren't there, yet. That is: the goal here is to write the template in such a way that the resulting blog pages will validate using the W3C validation services.
The blogger template for the ain't it strange blog: aint_it_strange.html
The template for blog null: blog_null-v3.html
The template for this [earth tech] blog is derived from the template for earth food: earth_tech-blog-template.html. Additionally, the stylesheet for earth tech is available: earth_tech.css