How to use Old Blogger Templates in New Blogger
1. Login to New Blogger with your Google account.
2. On your Dashboard choose blog you want to edit, Click on Layout, you’ll go direct to Template tab where blog you want to Edit.
3. Choose the Template tab of your blog then click on Edit HTML.
4. Next scroll down to the end of your page and choose Revert to Classic Template.
5. Copy all the code of the template you wish and paste it into your blog.
6. Click on SAVE TEMPLATE and you are done!.http://www.isnaini.com/blogger-templates/