Using the Catalog Images ToolMagento Go resizes the product images you upload according to the dimensions specified by the theme. As a best practice, you should standardize the size of your images to ensure that they appear at the highest possible resolution, and maintain the correct proportion.
Previewing ThemesYou can preview any theme using actual content from your store, without interrupting the operation of your site.
Choosing a ThemeWhen choosing a theme, look for the best use of space for the content you want to display.
Themes and Page LayoutMagento Go includes a growing library of professionally-designed themes which you can use "off the shelf," or customize to suit your needs.
Adding a Mobile ThemeThe Magento Go Mobile theme is a "lite" version of your store with all the essentials to help shoppers find what they are looking for, and complete the checkout process.