I am trying to put the favorite link at a different part of the post and I found that if I disable the option Show in post, my own shortcode won't take effect.
If I enable the option, then I end up with 2 favorite links for the same post.
Can you move the check for the options outside the shortcode function
shortcode_posts_playlist to another function that generates the default favorite link?
I can hacking the code to remove the check but it will block me from future updates to this nice plugin (no apache mod_security complaints).