Add on module for Magento Cart System

Developer is needed to add on a module for existing cart Magento system. Developer is needed to develop a script where during checkout process the cart is able to capture the picture and other details from another site example ebay,com or taobao,[login to view URL] an url is key in. Developer must be good in magento and must not modify magento chores file. Developer must be able to implement the checkout process and also a quick buy like the example given below: [Posting of links with contact details is prohibited and against our Terms of Service is prohibited and against our Terms of Service - Freelancer.com Admin] username :[Posting of contact details is prohibited and against our Terms of Service is prohibited and against our Terms of Service - Freelancer.com Admin] Pass: pass123456 [Posting of links with contact details is prohibited and against our Terms of Service is prohibited and against our Terms of Service - Freelancer.com Admin] bet33 pass123456 [Posting of links with contact details is prohibited and against our Terms of Service is prohibited and against our Terms of Service - Freelancer.com Admin] Basically you could also look at [Posting of links with contact details is prohibited and against our Terms of Service is prohibited and against our Terms of Service - Freelancer.com Admin] and also buying on behalf websites thank you