You will need a flash player to view this video... please click here to download if you cannot see the video [link]
You must have basic knowledge of photoshop to do this tutorial.
This tutorial will give you some basic idea of what vanishing point filter can do..this only touches the possibilities of this filter.
All Pics are from Stock Exchange. Royalty Free Expect the Framed Pic which can be found here [link]
credit: film [link]