problem with the rendering??!!

[Rebin]

hi im a beginner with vray rendering !!
my problem is when i render a scene (teapot) for example
the shadow of the teapot on the ground does not appear in a soft shape and here is a snap shot of the render i hope someone can help me



and i want to reach this result



thx ...!

[urbanite]

make the light source smaller

[Rafael Reis]

more your light source is bigger, less your shadows will be