To configure which type of card the plugin will generate, visit the plugin settings page..
In the settings of the plugin, choose the type of Twitter Card to generate..
The image of the post will be used as the thumbnail..
If the post does not have image, the in the plugin settings will be used..
When setting in the settings screen, images from WordPress media library will be listed.
If the post does not have image, the in the plugin setting will be used..
Activate the plugin through 'Plugins WordPress.
Use Twitter Card Validator to ensure you are validated to use Twitter Cards.
Navigate to WordPress Media Library and ensure there are no images attached to the in question...
Browse the code, check out SVN repository, or subscribe to the development log by RSS...
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