All you have done is dumped the texture onto a Poly Plane...

As the plane is not the same size as the original image it will not appear properly, therefore you need to UV Map it, or create a new poly plane that matches the same size as the original image.

There is a tute in the free section on image planes:
https://www.simplymaya.com/movie_page...html?tut_id=64
Use this as a guide to get your images on correctly.