Entertainment on IMVU has evolved into machinima (movies made inside video games). Creators use Mesh assets to film crime dramas, fantasy epics, and romantic comedies. Because Mesh allows for facial articulation (moving eyebrows, blinking eyes, moving mouths), characters can act. The link between is so strong that some production studios hire "Mesh Riggers" specifically to prepare avatars for filming.
In the early days, IMVU relied heavily on a specific skeletal structure (the "Classic" avatar). While functional penis mesh for imvu link