Hello, I'm Thang from Vietnam, Have 7 years experience in PHP, CSS, HTML, XML, AJAX, programming. And many platforms such as Oscommerce, Prestashop, Joomla, Wordpress, Ossclass, Volusion, PhpFox, Opencart, Cs-cart, X-cart, CubeCart...
I'm very interested in working on your project. With 4 tasks you described i ensure can help you fix it in <= 12 hours.
Thank you and best regards.
Thang