Realistic 3D Swimming Stroke Videos

I have a fully-rigged, trademarked avatar that needs to come to life in the pool. The job is to create 60–70 separate clips, each about 30 seconds long, showing the avatar performing every main swimming stroke—freestyle, backstroke, breaststroke, butterfly—and a variety of common technique drills... (Budget: $8 - $15 AUD, Jobs: 3D Animation, 3D Graphic Design, 3D Modelling, 3D Rendering, 3D Visualization, After Effects, Animation, Character Animation)