Hai, all blogger templates are tested and working fine. Just follow the steps as mentioned below and you'll be able to upload these new blogger templates at ease. And make sure to copy your old template code (which is in edit html) onto a Notepad before uploading your new template, incase of precaution if anthing goes wrong.
The Steps to upload your new Template
1) Choose one of the template design and download,
2) Login to your Blogger with your Google account,
3) After logged in, choose your blog you want to edit with the new template,
4) Click on Layout and than go to edit html,
5) Browse for the template you downloaded an click on Upload
6) And finally confirm and save if any widgets to be removed from the old template and your ready with your new Template...
Bloggerized-adsense Blogger template
Nyoba-780 Blogger Template
Red White Blogger Template
Mush Blue Blogger Template
Colibri Blogger Template
Pirates Blogger Template
Aqua Blogger Template
Download Template 
Download Template
Minyx Blogger Template
Iphone Blogger Template
