The next Plugs 'N Pixels free software contest is for AvisNocturna's TerraRay 2, an easy-to-use terrain-generating application that supports the import of 3DS models. 15 winners will receive the software for free ($14.99 value)!
For more info on TerraRay, see here.
For instructions on how to prepare for and enter the free contest, see here.
This contest will begin very soon.