Mishi, you can try
http://www.emmasballoons.com if you don't have her already. She has an inflatables site also,
http://www.frisky-business.net she also has a male/gay balloon site
http://www.balloon-guys.com if you have traffic for it. Her program is at
http://www.naughtyniche.com
Not exactly small, but she knows her market and is always there to help her affiliates.