TEMPLATE Plantillas
If you've signed up as a Partner you can go to the 'Training' tab inside your Partner Portal and watch the video called "Build a Site Using a Template Monster design..." Part 2 which will show you how what you want.
We also have an article here that shows you how to upload a template on our Online Business Wiki. http://onlinebusinesswiki.com/index.php/Templates#Uploading_your_own_template Be mindful that you need to separate out your page content from your template before you upload it onto your site.