How to connect InfoPath task form to SPD workflow after moving it to the new Site Collection
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I have Globally reusable workflow (created in SPD) in my test site collection. This WF uses custom InfoPath task form. Now I am trying to move it to the new production site collection. I've done next steps.

1. Copy my globally reusable WF (in SPD) to make it reusable (I can't save GLOBALLY reusable WF as a template).
2. Save new reusable WF (not globally reusable) as WF template and deployed it to the production environment.

And now my WF is working well, but I've missed my custom InfoPath task forms and I don't know how to connect it to my WF.

**Is there any way to reuse InfoPath task forms from my workflow after moving from test environment to production?**

Every suggestions are very appreciated. Thank you very much in advance.

PS: I don't understand completely what is happenning behind the scenes, when I am creating custom InfoPath task forms in SPD. I googled about it, but couldn't find any good article to clarify. If you know any articles or books which could help me in my understanding of relationship between InfoPath and SharePoint 2010, it would be great if you recommend it.

PPS: SharePoint 2010.