Had some interesting moments too, problem is most interesting things are in action so a static printscreen wont do the trick and didnt have fraps at the time.
Realistic things, happened a few times - a guy on a horse gets killed, his foot get stuck in - dunno the english word for it - place where u actually put ur feet while riding - so they get dragged around by horse, with their foot stuck for some time. Not sure it was coded this way - so its a strange bug.
Corpses falling from walls in sieges sometimes stop in air in different poses and never reach the ground.
The classics - Arrows getting stuck in air. Happens when the real texture size is bigger than what is drawn - mostly near walls and some barricades(cant hit body which is clearly seen, only head-level arrows pass w/o hitting invisible obstacle)
Horses sometimes partly go underground when they get killed, usually lanced - once had all lower body underground, with head sticking out up vertically.
A few times I even passed through wall textures on siege - mostly around ladders on the inside. Once passed through the wall from outside, got out near inner stables. Think it was Dhirim at the time it was still bugged - had to find a way in to capture it somehow.
Also - why isnt in possible to approach walls before building
any siege equipment - maybe you have an army of 200 snipers which can kill any1 out there? Or at the least a way of controlling, which type of units goes into battle 1st on siege or in field, by setting class-based priority, instead of moving units up&down all the time. That IS strange btw.