Website content and online store design

I have completed my university education with a degree in entrepreneurship and I want to create a website that has pages with contents and also an online store that will sell only digital electronics products for DVB digital migration project in Ghana. I have written some of the contents for the webpages but I would like to edit images on the pages as well. Below are general features. Frontend - User Features Categorized Display of Products in Most widely used Row / Column Format Ability to search products by Keyword Ability to Display multiple alternative images for a single product New Product Display Section: Shows newly added product randomly Featured Product Display Section: Shows products marked by admin on a page Ability to Tell a Friend, Facebook Like, or Tweet Button Customer Login / Registration Ability to create Address Book by the customer My Account Section to view Order status and History Backend Admin Features Easy to use Admin – Not much technical knowledge required Password Protected admin Interface Ability to Add / modify / delete Categories, subcategories and related information Add/ modify / delete products and related information like Price, Image, Description, title, model number, stock, etc. Ability to place a single product in multiple categories Ability to Add / modify / delete Manufacturer name, and Logo, which can be displayed on the product page Ability to manage the content of static pages like about us, terms and condition, etc. Inventory Stock Management on Product Level Order management features, to view the order information and change in status Invoice generation and printing. Generation of Various reports like, Most Viewed Products, Top orders by product, top sale by customers, etc. Professional Customized Design Layout Secure SSL / HTTPS Compatible Search Engine Friendly URL Structure Ability to customize Title, keyword and description for each product. Unlimited Products / Category / Subcategory Creation Payment Gateway Integration with Paypal Mobile Money in Ghana VISA Bank transfers Automatic Email Alert to the admin & customer on order success. Automatic Email alert on change of order status from the admin Tax Calculation based on vat Ability to offer free shipping to any product bypassing the Shipping Cost added to an order Integration with Google Analytics to track orders and visitors. Made using Open source Zencart Ecommerce System in PHP, and Mysql Database backend