not quite sure how to explain this i guess you should just look at the screenshots.
But any way it randomly cycles and as far as i can tell moving around doesn't necessarily (I'm scared about the amount of times i tried to spell necessarily) make it switch
Anyway moving to the settings
Graphics: Fancy
Render distance: 12
Smooth lighting: Max
Max FPS: 120
3D: off
View bobbing: on
Brightness: Bright
Clouds: off
Particles: all
VSync: on
Mipmap levels: 2
Alternate Blocks: ON
VBOs: off

Seed: -9194845834774564252
P.S. Last image shows where the madness starts
P.P.S if u need any other info just ask
P.P.P.S i am running the world on a server