[cdp44]

At the top, there should be node named American.tga, if you are changing flag for Ise, node number should be 7. In the part Texture, there is American.tga. Change it to <nameoftheflag>.tga

List of default flag names

American.tga
British.tga
Australian_m.tga
Brasil.tga
British_M2.tga
Canadian_m.tga
France.tga
FreeFrench.tga
German.tga
German_m.tga
Greece.tga
India.tga
Italian.tga
Italian_m.tga
Japan_m.tga
Japan.tga
Netherland.tga
NewZealand.tga
Norway.tga
Poland.tga
Russia.tga
SouthAfrica.tga
Brasil_m.tga
Sweden.tga

Cdp44