Overlapping Textures

[Zkyo]

For some reason, all of the textures are overlapping. It might be a little hard to see in the screenshots, but the sections of the area appear over everything else. All of the models for the charachters have overlapping textures too. When i load luigi's mansion, all of the trees are overlapping, and luigi is nowhere to be seen. Gameplay speed is not really a problem. I get 30 fps on average, occassionally dropping to 20. I have to limit it to 30 fps, or it runs at like 5 times normal speed

   

Here are the graphics settings i have: