Or you could use Ambient Occlusion found in the World Buttons menu (Amb Occ). It can give a grainy effect, but thaty can be compensated for by increasing the amount of samples. This of course increases the rendering time.
You also have to get the light right too. Use an Area Light and make the Dist reach half way between the Lamp and the Object you're lighting. click on Ray Shadow, put the Samples up to 5 or higher, then select Umbra, Dither and Noise.
You also have to get the light right too. Use an Area Light and make the Dist reach half way between the Lamp and the Object you're lighting. click on Ray Shadow, put the Samples up to 5 or higher, then select Umbra, Dither and Noise.