PayPal Green Downloads is a powerful widget that allows to sell files and accept PayPal payments. Workflow is handled by smart CSS3 button: customer click the button, complete the payment through PayPal and download the file instantly. Pretty simple workflow.
Each payment button can be easily embedded into any 3rd party web page all you need is just copy-paste couple JS/HTML-snippets. Moreover, you can add functionality of the plugin to any existing link, button, menu item.
