How do you get your sims to model and pose in front of the camera? Ive tried turning free will off, and trying to get them to do things, but I find it so impossible to get them to pose, or model on any catwalks I have made--what am I doing wrong?

On alot of the clothing websites, all the sims look really cool and posed.

Are there any tricks anyone can offer?

Just  getting them to sit on a sofa & look relaxed is impossible!!

Thanks!!