If you do not own Flaming Pear Swerve plug-in you can download a demo version from the following site: Flaming Pear Swerve
Also, in Poser, there are different ways for making images like the one featured in this tutorial. One is to render and save your Poser figure using an Alpha channel. However, the one I prefer, and the method that I feature in this tutorial, is to begin by rendering your Poser Image on a black background. In Poser
Pose your figure in Poser over a black background, render and save.