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I don't have a strong opinion but there was a good article on the topic on Searchengineland

I just added the plugin you recommended. I hope it works. Thanks for the tip http://wordpress.org/plugins/gotmls/

Hi, This is the ans of your 1st question: I have displayed following tag which will help you in creating video site-map. http://support.google.com/webmasters/bin/answer.py?hl=en&answer=80472 For second ans you said that you have single pages and URL for each Feedback. If you have to crawl each and every page then you have to add those pages in site-map.

Hi Andre, Did you find an answer, or are you still looking for a solution?

Hi Keri, thanks for your specifc answer, this really helps!