Not sure how you see that as a free template.. looks nice and sleek though I'm not a fan of it for the purposes of a porfolio site.

Think of it this way, your website will be what your potential customers see. Even though your site will showcase your portfolio, they're likely to look at your site and decide whether they could pop their business inside your site.

If they see something as out of the ordinary and dark as your site is -- with things as specific as palm trees and water, they will think that their business would look out of place there and might not even look at your other work.

Your portfolio needs to showcase your ability to the fullest but not be so different that it "type-cast"'s you into an out of the ordindary mould.

This is a great design to have as a work in your portfolio but I would not recomment actually using it as your personal site. I would suggest something more conventional with some standout points so as to encourage potential customers to look at your work.

Hope that helps.