Filter Twitter Card thumbnail

Since SEOPress 2.7.2

function sp_social_twitter_card_thumb($html) {
//you can add here all your conditions as if is_page(), is_category() etc..
	$html = '<meta name="twitter:image:src" content="https://www.seopress.org/wp-content/uploads/2016/12/cropped-ico-logo-seopress-256x256.png" />';
	return $html;
}
add_filter('seopress_social_twitter_card_thumb', 'sp_social_twitter_card_thumb');