It seems as though your pattern has been to roll out a handful of sites every few months:
16 sites on September 14th
5 new sites on December 7th:
6 new sites on June 4th
We would love to be one of the sites in your next roll out!
Although we are less established then most of the sites you have white-listed, we feel that integration with us could help nonprofit and political campaigns accounts make better use of their twitter accounts.
What we would like to show in the twitter details pane would just be our video player:
Just tell us what we need to do and we will get on it (I believe we are oembed ready).