Yeah see, we know exactly how they look because Jordan was extremely meticulous about it, it's kind of a whole thing
Hell, he was so detailed that I'd be miffed if they got Bela wrong (you know, the farmhorse? Egwene rides her initially, and when Rand is worried that she's falling behind, that's the first time he channels). Kind of needs to stand out beside Mandarb and Moiraine's horse
It's kind of a problem if the writers don't care enough to at least cast someone who actually fits what's written, or have them wear their prominently-described accessories