I don't imagine that she is drowning, but that she is swimming very peacefully. Horses CAN swim actually.
But in your first comment I thought that you said stop DRAWING ponies. I'm just going to say that I hate it when people find enjoyment out of making art that involves ponies chopped into pieces or performing sexual acts. It's a wonderful show meant for all ages, and people should enjoy it because it's well made and entertaining and cute as hell.
your rant is our rant buddy , the first Ammendment. swimming? thats a drownd out horse .. and the gore stuff is to much but the clop is just clop.. The MLPshow is 5/5 in my opinion teaching ethics, compared to those teen trendy subliminal shows were the tween is looking for the next hotty... that cannot compare to gore n clop cuz buddy , you gotta look for it trust me..