This mod should do the same as another, just as easily installable version.

Download “l4d zoey nude mod”

This will be the Spitter … uh, altered. D:

Note: Left 4 dead 2 nude skins ..works only with the demo.

Download “Left 4 dead 2 nude skins”

The patch is replaced by a new Zoey Nude model.
Lest you read the readme of the installation is not so easy.

Download “Left 4 dead nude patch”