Green screen of talent was shot and then composited into multiple Los Vegas Scenery with a final particle effects layer to complete the sequence.

 

Composite of several layers of 2d motion content and 3d creates a fairly complex composite sequence.

 

Composite sequence of still shot of truck with multiple 2d action layers shot separately creates a comical sequence.

 

3d generated ground level clouds, bubble film and bursting bubbles are composited onto the 2d footage.

 

Multiple footage layers are composited in several layers. "Meet surgical weight loss patient at Community event." Produced for their website.