They look fine to me. Babies' hooves and legs do so much growing and changing in the first few years, at some stages they look unusual or "off". Many humans tend to "over fix" things, one example is eyeglasses- many kids/teens go though stages where their vision seems to go slightly downhill, and it's only because of their actual eye growing and changing shape, when this is the case the vision is correct again after the growing is finished. Often doctors will slap some glasses on the kid to "correct the problem", but the eyes adapt to having the glasses and never fix themselves as the would have without glasses.
Ok, sorry, a little off-topic :) That was mostly just addressing the uprightness reply.
Do you have pictures of the colt that is supposed to be foundering?