Enter the next options, Filter>Blur>Motion blur… and set them as the table indicates it:



We should get such a waterspout.



Find in Internet several pictures containing the fruits. If the background happens to be white one, then we’ll need the Magic Wand Tool (W) for cutting it out. If the background is colored one, then we’ll need the Eraser Tool (E).

 



After cutting out the fruits from their background, we have to insert the fruits on out picture and place them in an arbitrary way.



Make several copies of some fruits and apply the next shown options on the copied layer: Filter>Blur>Motion blur. The blurring directions should be set according to the fruit’s placement.



The top part of the blurred copy should be erased with the Eraser Tool (E) for showing the object’s motion.



Create one more layer now and select the Brush Tool (B) with the color #669999 and then try to draw the air bubbles on our picture, changing if necessary the Master Diameter.