I don't have a problem with him R8XFT, but appearence wise, that smile of his looks quite sinister!
About the Haida and Tlingit tribe's units, Steph's "Fight Back" Conversion features quite a few Haida units, complete with hats!
Oh, and one last thing: are the Hawaiians going to be in the mod?
I wholeheartedly support the idea.
While the Hawaiians aren't native to the American continents, they were descended from Native Americans, and are close enough to the North American continent to warrent inclusion in the mod.
Modern Native Units:
Theres a "Incan Infantry" unit floating around somewhere I once saw. Also the Dawa Soldier, although made for African Civs, could be used as a Native American unit(Like I used the Zulu's Impi for the Silent Hunter unit)