Issue with Youtube Automatic Plugin

Hello I recently downloaded this http://wordpress.org/extend/plugins/automatic-youtube-video-posts/
I have been trying to get it to work on my portfolio posts instead of the normal blog posts. I contacted the plugin designer and he said I had to change the parse.php file to work with the portfolio instead of posts, but I am not sure how to do this. How would I change the automatic posts to come through my portfolio (custom post type) instead of the original blog posts?
The parse.php is the folowing:

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