Autoblog posts in wpms(network) into main site including featured images

well, what i did finally is to use taxonomies instead of aggregation because cron based solutions are a little bit tricky with server resources and might reduce the performance:

  1. install taxonomies plugin
  2. add a code to it to attach the blogid of the post as custom field when saving the post
  3. add a function to your theme’s functions.php that pulls the image from the specified
    blogid (if specified) [using switch_to_blog()] and attach it to the “image_downsize” filter
  4. add any other functions needed to pull the featured image from the post’s original blog into your theme

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