Blurry Background

1.With your model spawned and a camera ready, right click your animation set editor and click "create animation set for existing elements"

2. Click on camera (x) in the window which appears.
3. Whilst in the motion set editor, click the camera and move your focal distance slider in the animation set editor until the purple square thing is clipping in your model.
4. Slide the aperture meter all the way to the right.
5. Make your render settings depth of field 1024 override and turn motion blur off.
6. Export your poster.