EB Games, a leading specialty retailer of video games and accessories, has signed on as a "Presenting Sponsor" of G-Phoria, an annual location-based and on-air event celebrating video games on Comcast's G4 cable gaming network…AOL Time Warner's Kids'WB! and the Cartoon Network are consolidating ad sales units in September. The unified Kids' WB! and Cartoon Network ad sales group will report to Kim McQuilken, exec VP-Cartoon Network ad sales and marketing…H&R Block has partnered with CBS to sponsor "Just Plain Funny," a promotion playing off of the tax preparer's tagline, "Just Plain Smart." Every Monday night throughout March viewers of CBS's top-rated comedies can enter a sweepstakes for four $10,000 prizes.