Oscommerce modifications- Quick easy project

We are looking for an expert in Oscommerce to make the following changes: 1. One page or two page easy checkout with colorfull and very easy to use checkout. Including checkout for guests that dont want to create a new account. Checkout as either guest, new customer, or existing customer 2. Email confirmation of order to administrator. (this was working but now it does not email the order to the admin only email is sent to the customer). Also check code to confirm no other emails are getting a copy of the order. 3. Change my front home page "special feature" area to display 6 categories of my choice with the ability to change this from the admin panel. Currently this displays 6 products that I choose. 4. Change the live help logo color and size to match the rest of the website 5. "related info" At the bottom of the website. Explanation of why it is there and is it required for SEO? 6. Suggestions on a better way to manage the store inventory. The current oscommerce management system is not very user friendly or easy to use 7. Suggestions on how to prevent spam on the forum yet still have new real signups website is greenpathalarmdotcom Please list your references and prior completed similar projects you have done. Also indicate how long this will take you to complete.