movieomatic – existing posts not created by plugin and taxonomy

Greetings, Thanks for the quick answer on the Code Canyon site which lead to me purchasing this software. I'm wondering if you're able to assist with a few quick things. 1) if I already have a page created with a movie title how to set the movie search to update that page and not create a new one, which happened during my all my testing. 2) Custom Taxonomies: nothing happened when I added an existing taxonomy name (example below). if my taxonomy name is : Starring => %%cast%% Could this be because of the way my theme handles the starring taxonomy? I have direct access those taxonomies under the pages menu in WP. It creates a single entry for each starring actor and then links it to post. Does your plugin take into account existing entries? Could this be why it is failing? 3) how do I limit how many names get added to a taxonomy such as %%cast%% or pick the director out of %%crew%%?