Bug fixes required existing asp.net 2 web site

we are inviting bids to fix a small number of bugs to improve our e-commerce asp.net 2 site with Microsoft SQL2005 the following bugs require fixing 1. when online orders/payment are taken the information listed or sent through in emails fails to correctly show all the product details ordered 2. when we received email notifications ie sales or enquiries, we receive up to 12 copies of the email alert 3. when you click to veiw main product image the image veiwer is set to one size display, we require it to show the complete image without affecting the images size. 4. product images - we would like to add thumb nails and improve the product imaging veiwer [login to view URL] online auction facility fails to appear on the website, although in admin the facility is avaiable [login to view URL] are unable to move up/down new product or existing catagory entries, we would like to have the options to place the entries in alphabetical, numerical, custom order as admin feels best 7. some product information in admin fails to be set in some input areas ie postal costs 8. when addding a product we are unable to add further size information, we would like the option to add, select/unselect some information relating to our product 9. our 'on special' option fails to work correctly 10. cross catagory product display, we are unabel to list/edit a product in more than one catagory at the same time, and therefore need to enter the same product many times 11. product ref fails to generate automatically when new products are listed, we would like to have product ref asigned automaticaly 12. when members join the mebers admin area fails to show date joined or when they last returned to the site, we would like to add this feature workers with less than 5 completed jobs here need not apply.