Poser is a 3D rendering and animation computer program. It is available for both PC and Mac systems. Company's website homepage can be found at:http://poser.smithmicro.com/poser.html
You can purchase the latest base version (Poser 9) from them, for $249.99. Professional version sells for $499.99. You may be able to find earlier version of the program on the Internet, at lower cost.
Program comes with a lot of built-in features, like different types of figures (male and female), poses, different hairtypes, facial expressions, lights, different camera angles, etc.
There are also a lot of supporting sites, where you can buy additional figures, clothes, poses...Among the most popular sites are:http://www.renderosity.com/index.phphttp://www.daz3d.com/