Urgent 3D Animation Clip Adjustments

I already have a set of short 3D animation clips rendered, but a few details aren’t landing the way I need them to. The job is purely about making adjustments to the existing animation—no new texturing or modelling... (Budget: $30 - $250 AUD, Jobs: 3D Animation, 3D Graphic Design, 3D Modelling, 3D Rendering, 3D Rigging, 3D Visualization, After Effects, Animation, Character Design, Maya)