We seem to be getting more people who are requesting this sort of thing. They don't seem to understand that not all templates are equal. The term template can be applied to various different types and created in different programming languages.
First of all the templates here are html/css based type, stand alone. The can be configured any way your knowledge allows.
Blogger templates have their own structure which you must follow. You can covert the templates here with a bit of know-how.
For us to write a tutorial, well would just take to long.
You'll need to do some homework on your own. Try these links
http://www.ourblogtemplates.com/2007...te-design.html
http://bloggerfordummies.blogspot.co...-tutorial.html
http://www.photoshopsupport.com/tuto...templates.html