Depolar effect

Go to resize: note down the width of your image

Mine is 284

F/X: delete the parameter and type in

274,0,180, 35

274: width-10

0: usually remain so

180: you can change, but usually remain so

35: this number can vary between 35 and 75

Click on the distort and change virtual image pixel to mirror or tile.

Distort type-depolar

Press effect.

Lower the first number to make interesting background.

Sample: 

This tute belongs to Calikat