Hello! Welcome to Portugal Modding Research in this group we do mods for all Grand Theft Auto (Grand Theft Auto III, Grand Theft Auto Vice City and Grand Theft Auto San Andreas)
We don't know if do for GTA IV... I think now you are asking why in the name have Portugal that is because the idea are of the people of Portugal :D
Well we also want search new things, all converted GTA and more things, but for it say if you can help the people can help say for we join you at this group :D
You also can asking things for we do and we try do what you want.