I am looking to buy an application, script or plugin for virtual try-on of glasses online e-commerce. I want it to be really easy to use, with clear navigation and serious functionalities like rotation, scaling and movements. It is essential for the application to have the option of own picture upload. Applications, which offer taking a picture with you own web camera and face capture (recognition) have a serious advantage!
Here is an example (not including the web camera functionalities):