We know the Iberians speak Euskera/Basque but we dont have many words from them, many alphas ago they speak modern spanish, that was worst A adventage about development of 0 AD is you can find sources to get more historical accuracy, I don't like Iberian textures, because are one most old in the game and is very gray. But you can help with references, this the most positive part of this project, the user can help developers. But the Art departaments have many task so can take time About Iberians, they are mixed into several cultures included Celtiberans and Lusitans