make starbust effect with twirl

Here's you will going to learn how to give the starbust effect.
very simple tutorial
step 1
create new layer and fill with gradient tool,choose color res and yellow

step 2
goto filter-->>distort--->>wave
apply these settig, (u can set the parameter alone)

result

step 3
goto filter-->>distort--->>polar coordinates

result:

step 4
goto filter-->>distort--->>twirl

final result

if you want to get a action for starbust just download it
starbust with twirl by joko.atn