It'd seem that Yahoo changed how they embed items, I'm not sure how at moment, but the embed string is nothing like it was several months ago...
It USED to be: 146a6f217779edcc766c1f02c7696206.1417545 where the long string is the userid, and the short is the videoid; but now they're crafting data different and it looks (offhand) that I just need to call the videoid... interesting...
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