Attached Link: http://dexpac.com/Props/Fans.html

See also "Wrestling Fans" by DexPac in FreeStuff.

His approach was to render a row of people, then turn them into a 2D texture with transmap that can then be applied as a map on a simple square prop. Very low memory demands and allows you to composite within Poser.

direct link to his page:
http://dexpac.com/Props/Fans.html