Raz already modded banners, and they'll be included in the Hundred Years War mod V3.0, along with a dozen of new models and textures.
http://i2.photobucket.com/albums/y26/khaya/banners2.jpg
http://i2.photobucket.com/albums/y26/khaya/banners1.jpg
http://i2.photobucket.com/albums/y26/khaya/bannerstraight.jpg