Ridiculous.  There have been SDKs for doing in-game advertising for other games since 2005 at least.  Double Fusion was one of many companies doing this:

http://www.develop-online.net/news/28399/New-Double-Fusion-tech-puts-game-ads-in-existing-titles

Adscape and Massive Incorporated created similar SDKs in the same time frame.  Here's a huge list of prior art that should kill this patent:

http://notesnews2007.blogspot.com/2007/10/adscape-media-patents.html