https://london2012.sportsworld.co.uk/index.php

Uk based site offering tickets for the olympics. If you don't think you've got the ones you wanted, apply here. Just did it myself for the athletics.

I was debited from the lottery but thought I'd hedge my bets and apply some here as well. If I get athletics ones via the lottery, I'll sell them back

This company debit your account, then get an allocation and assign them per order. They then let you know what you have got and refund the amount for any you don't