This ones no so much about the banner, more the later in the top right corner. I've posted a news article here with the details - suffice to say that ANYONE anywhere in the world can use this page to add a charity layer to 99% of flash banners in any version.
It's a simple, effective way to show support for something big using existing paid for media - for no cost to any party.
(the example banner is part of a suite of announcement banners for iiNet's No.2 recent campaign to announce their new No.2 positioning in the Australian DSL broadband market - https://number2.iinet.net.au/).