The default PrestaShop install offers a neutral theme in shades of gray, enabling sellers to quickly and freely start their activity, whatever their business line.
More than 700 themes are available through the PrestaShop Addons marketplace. They were created either by the PrestaTeam or the PrestaShop community, and are sold at reasonable prices – some even free.
As a graphic designer/web developer, you too can put your themes up for sale on the PrestaShop Addons site, and earn 70% of the selling price.
Anyone with some knowledge of CSS and image manipulation can create a custom theme for PrestaShop. Provided you know PHP as well, you can build a whole new theme for your shop. Thanks to a tried and tested theme system, any shop can quickly sport a theme tailored to its needs.
PrestaShop also offers a complete a complete training program tailored for designers. Contact us through this page: http://www.prestashop.com/en/training