CMS Made Simple Website Needs Tweaking

I have a new ecommerce website I need some tweaking on. The website is built in CMS Made Simple and needs some minor stuff done: 1. Product pages are not being indexed by Google and are missing unique onpage SEO factors 2. Product pages need to have scroll-down for various colors and sizes, and prices should vary accordingly 3. Integrate shipping rates according to ZIP codes 4. Integrate discounts according to coupon codes 5. Minor tweaking as needed Required Skills: * Only apply if you are an expert at PHP/MySQL programmer with extensive experience in CMS Made Simple * Expert in and very knowledgeable in Smarty language * Provide 2 months support for errors which may arise * Reasonable in pricing ONLY EXPERTS IN CMS MADE SIMPLE PLEASE!!! I will send the website address via PM to eligible candidates