We have a "Dumbest Horses for Sale" thread, so how about this one? Here, you can share pictures of horses with horrible conformation. This can also be a guide for new horse owners on what NOT to look for, and something interesting for the rest of us to look at. I'll go first:
Lordosis or 'sway back', is a genetic problem and known in several breeds. NO horse with an even slightly swayed back, should be bred. It is mostly well documented in Saddlebreds. Most of the time, sway backs are not the result of riding bareback or when too young, as often thought.