1) When they trying to walk arround the city or attack it, they just stuck in unreachible places. All guards are trying to get them, but stuck too. There is no way to attack them or unstuk...
Screenshots will be later, sry.
2) Changing terrain graphics make dead corpses just fall through the sand =/ ... But if camera is on max range - I can see/loot them... some of them are show up - other hide.
The last crash file when trying to screen all that mess (it crashes every time in 1-2 minets after loading... so my save probably broken