You can buy starburst filters to suit most lenses and they can create very effective images. The picture below, for example, was taken last October using a starburst filter.
If you don't have a starburst filter, you can create a similar effect by changing the aperture setting on your camera. The photo below was taken using an aperture of f/8. This is a mid-range aperture which has a good depth of field for the shot. The background is in focus as well as the foreground.
Raising the aperture to f/32 means the depth of field is increased and less light is allowed into the camera as the aperture size is reduced. The picture is still in focus, but the bright light from the sun has been diffracted through the smaller opening, leading to the effect in the following picture.
As you can see, this is a very similar effect to that of the starburst filter. Have a go yourself and see how you get on!
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