Originally Posted by
berner
I don't see why pedaling toe down would be a problem. Although I naturally tend toward heel down, I will change it occasionally to use the calf muscles differently. The man in the photo pedals toe down and has done well.

Exactly, if you watch any pro bike racing you will soon learn that there is no exactly correct foot position. The only way to know if one position is better or worse is to train with a power meter.
If you are having fun and not racing why worry about such minutia?