Before I got my new video card I had that happen a lot in Everquest. I was having some overheating issues. I think I have somewhere, a post, where characters were naked and had black faces haha. It was so funny.
Karazhan? The man in the 2nd pic is the guy near the entrance and stairs, and all that web.. has to be an old house.
3rd is behind/under Karazhan when you jump down that hole to the smiley and you can get behind the portal and door like that.