mantrain works in 128x128.
nuff said.
lol, nah, it depends on the head, i dont work in the 256's or 512's i make heads in 300x300. its how iv always done it.
and depending on the head, il work in 500x500, like my anime head series. kept the designs clean. and the slight bluriness helped soften it up, made it look more natural =)
sometimes the blur helps