I think a video would be perfect here... like, "Here's some bland white text on a black background in photoshop." then take 3 seconds to drag a metal style onto the text and a wood style onto the background. "Wow, Amazing!"
I actually do have a page exactly like that: http://photoshoplayerstyles.com/tutorials
It's the "support" link in the main menu. It used to be labeled "tutorials", but I found it was distracting visitors and not helping sales. It's definitely something I should revisit.
To me, that page is about installation. The screenshot where you apply the style is way down at the bottom. You need that to show up right on your home page, above the fold. You're wasting 2/3 of my window width on a gray gradient; dump that and use it to strut your stuff.
An idea to get attention: figure out the 100 or so top opinion makers for Photoshop users, and mail them postcards with before-and-after.
It would also be helpful to show case studies. Actual situations where your styles would be useful.
1. A long word for example maybe "photosensitive", and break the word in half. The first part being untextured, and the 2nd half being textured with your new layers that come in such handy time saving abilities. Then id put a video (link) right beside it that says, Click here to see how you can do this in 60 seconds. Then on the video landing page, after the video id briefly explain how much detail went into every "layer/texture" what ever they are called. And compare how much time it would take for a user to do this himself. Then I would show top sellers(fav products or what ever), and some testimonials from people who have bought from you (who loved the time it saved, and maybe even show of their work with the layers you showed them. Then a browse all products button.
I think your product is great, but I find your site is really hard to even tell where to start shopping. I thought the page was about blog post. I kept looking for a shopping button or a place to view all products. Even harder is your add to cart button being in the sidebar and not listed again down at the bottom(or top) of the page. This is a big no no imo. Again these are just my honest thoughts from a UI perspective. Hope this helps. (first post on HN).