Am hating to bring this up, but is seeming to be a problem again:
18474 2013-06-08 20:06:47 1:10:33 13092667 1625 0.00000000 240455 25.05091001
Same problem here as well. Zero payout on that block despite continuous mining. Hopefully it gets fixed.
The same situation at my end. Just reporting...
18474 2013-06-08 20:06:47 1:10:33 13092667 625 0.00000000 240455