Tiny one really, only 200eur pot but here goes:

Noxwin World Cup 2010 Free Roll – 200 EUR

Kick off the World Cup Mania with Noxwin and take your chance on a special Free Roll with a Prize Pool of 200 EUR! Noxwin is organizing a special World Cup Free Roll and you are invited! Simply place an outright bet (min. 5 EUR) and you automatically qualify for the Noxwin World Cup Free Roll!
Noxwin World Cup 2010 Free Roll 1
1.06.2010 at 14:00 CET – Prize Pool 200 EUR

* Only users who have placed an outright bet on “Who wins World Cup 2010” (min. 5 EUR) qualify. In order to join the Free Roll you have to send an email with your username to service@noxwin.com after qualification terms have been fulfilled.
register_account
TERMS AND CONDITIONS

* Promotion starts on 27.05.2010 and is available only for Noxwin players.
* Promotion is vaild for users, who have placed an World Cup outright bet (min. 5 EUR).
* Noxwin reserves the right to change or stop the promotions at any time.
* General terms and conditions apply.
Stuck a fiver on Holland@10 (10-10.5@bf)... hope it finishes in time for the opening ceremony.