Skeletor over at HBO's forum managed to get a shot of the Webcam at a slightly different angle, and posted all the words that he could read. If you add in the words that he could see with the ones that we posted about later on, you get this text:
And then Bendigeidfran commanded his head to be cut off. 'And take the head,' he said, 'and carry it to the War Mount in London, and bury it with its face towards France. And you will be a long time ypon the road. In Hazelton, you will be feasting seven years, and the birds (birth?) of Rhiannon saying (singing?) unto you. And the head will be as pleasant company as ever it was at best when it was on me. And at [unreadable] you will be [unreadable] years(?) and until you open the [unreadable] Aber Henfelm(?), the side facing Cornwall, you [unreadable] and the head with you uncorrupted. Hat(bat?) from the
Well, that fills in a few of the holes, but I'm not sure it makes anything much clearer. The idea of a head being cut off and yet still being pleasant company rings a few bells, although I'm not sure I remember anybody ever calling The Head 'pleasant company'.