I am confused. You don't count:
MAA 467, North American Indian tribes of the Great Lakes (18+ warriors)
MAA 395, Tribes of the Iroquois Confederacy (15 + warriors)
MAA 228, American Woodland Indians (18 + warriors)?
Those numbers in parenthesis are only the color images, there are other warriors in the non-color illustrations (and other color images of non-warriors, too). And my count was a very quick look so a few of them might not be in warrior regalia but they'd like as not count as warriors.
Are you looking for something more specific than my list above? Very specific warriors?
Mind you, I have no objections to more titles focused on the French and Indian War but I'm not sure how they expand on these items. Maybe a focus on the Huron or the far southern tribes (more AWI than FIW perhaps). However, for painting purposes, I've found these books more than adequate guides.
Sure, none of the books – in title – call out the FIW but they all include some images appropriate to the conflict and a little extrapolation can fill in lots of blanks. Then there is the issue that the French and Indian Wars covered a couple of hundred years but you do seem to be focused on the 1754 to 1760 conflict perhaps? Pontiac's Rebellion?
There is also the clear reality that, despite 'scholarship' to the contrary, the tribe to tribe differences were not always all that clear cut since the many indigenous peoples of North America intermingled quite readily – even the arch enemy Hurons with the various peoples of the Iroquois.
I'd say, go ahead with the suggestion, but there is no need to wait for visual assistance if you can acquire these titles. I did not check if they are still in print but that should be pretty easy for those interested to do themselves.