I would not flatten the heads as much as you have. 6mm eyes are pretty large for 1/32 heads. 4mm would be better choice for 1/32 and 4 or 5mm for 1/16th IMHO!
I’m typically 5mm for 1/16oz, 6mm for 1/8oz and 7mm for 1/4oz. Now not to say I wouldn’t go bigger if I could.