by Rolando Caldas on WordPress.org

Configuration screen
This plugin does not need services of others, unless of course Twitter.
Create buttons so that your visitors can download files after posting on his twitter the message you choose. You can display different buttons using shortcodes or the widget included.
[pwt id =''] to add the button anywhere in a post or page.To use the plugin you must create a Twitter application and add the key consumer and consumer secret.
When creating the Twitter application is necessary to properly set the callback URL. This address is in the plugin Configuration screen.
The plugin includes English and Spanish. Furthermore, in pay-with-a-tweet-wp-plugin/tree/master/pay-with-a-tweet/languages directory the .po is available for translation in other languages
The plugin includes the shortcode [pwt id =''] to add the button anywhere in a post or page.
The plugin includes a widget to place the button on the sidebars. The widget allows you to enter a title, a text to display before the button and a dropdown to select the desired button.
When a user click on the button/link to download the file, he must accept to access the website to post the tweet associated with the button, once properly released, the download is automatically launched.
The plugin does not store the user's access_token so the plugin may not post tweets in the user's account at any time unless the user expressly click on download file.