NextPlugins

Lightweight SEO plugin.
<ol>
<li>Upload the plugin files to the <code>/wp-content/plugins/plugin-name</code> directory, or install the plugin through the WordPress plugins screen directly.</li>
<li>Activate the plugin through the ‘Plugins’ screen in WordPress</li>
<li>Optionally add <code>define('NP_LIGHTWEIGHT_SEO_POSTS', 'post, page, my_custom_post_type');</code> in wp-config.php to enable SEO fields in Posts, Pages and custom post types</li>
<li>Optionally add <code>define('NP_LIGHTWEIGHT_SEO_TAXONOMY', 'category, my_custom_taxonomy');</code> in wp-config.php to enable SEO fields in Category and custom taxonomies</li>
</ol>
By default SEO fields will be added to Posts, Pages and Posts Category.
By default Post featured image is used for Facebook (og:image) and Twitter (twitter:image) images. 
It is possible to add custom image using <code>next_plugins_lightweight_seo_post_image</code> and <code>next_plugins_lightweight_seo_term_image</code> filter. 
In both filters you need to return array containing image url and sizes. 
Returned array example: 
 array(‘url’ => ‘http://www.my-full-url.com/image.jpg’, ‘width’ => 300, ‘height’ => 200)

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